What physically changes in your muscles when you get stronger?

Answers

Answer 1

Muscles undergo physical changes that last a lifetime as you get stronger. Both the number of muscle fibres and their cross-sectional area must increase for this to occur.

The number of myofibrils, the contractile units of muscle fibres, has increased, which has led to a rise in the number of muscle fibres. Myofibril size growth is the cause of the enlargement of muscle fibres.

This is accomplished by a process known as hypertrophy, in which the myofibrils grow larger and more numerous as a result of the muscle's increasing contractions. The efficiency of the muscle fibres and myofibrils also improves, enabling them to exert greater force with less effort.

As a result, the muscle becomes significantly more durable and stronger.

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Related Questions

Which of the following is not a function of blood? George is lost in the hot, dry desert. He has no water and he is sweating a lot. Which of these blood components would be reduced or decrease? Which of these white blood cells gives rise to, or creates, anti-body producing plasma cells? Which of these leukocytes are the most abundant; and are able to phagocytize pathogens to reduce the spread of infection?

Answers

George is lost in the hot, dry desert. He has no water and he is sweating a lot. The blood component that would be reduced or decreased would be plasma.

The white blood cells that give rise to, or creates, anti-body producing plasma cells is B-lymphocyte or B-cell. The leukocytes that are the most abundant and are able to phagocytize pathogens to reduce the spread of infection are neutrophils.

Plasma is the liquid component of blood that is mainly composed of water, electrolytes, and dissolved proteins. Sweating is the body's mechanism for cooling down, when the body loses water through sweat, plasma volume decreases, and it could lead to dehydration.

B-lymphocyte or B-cell is a type of white blood cell that plays an important role in the immune system by producing antibodies, also called immunoglobulins, which help to identify and neutralize foreign invaders such as bacteria and viruses. Neutrophils are a type of white blood cell that is the most numerous and make up about 60-70% of all white blood cells.

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Why are the cells in the stratum corneum dead?

Multiple Choice

O Epidermal cells die as they move away from their nutrient supply in the dermis
O Once they reach the skin surface, exposure to environmental stresses like drying and UV light kills the cells
O Accumulating keratin filaments dry out the cytoplasm and kill the cell.
O All cells in your body die after about a month, which is how long it takes for a cell to reach the stratum corneum.

Answers

The cells in the stratum corneum are dead because epidermal cells die as they move away from their nutrient supply in the dermis.

The epidermis' uppermost layer is called the stratum corneum. The stratum compactum and stratum disjunctum are the two layers that make up the human stratum corneum, which is made up of numerous levels of flattened corneocytes. The stratum disjunctum is covered by the lipid barrier and acid mantle, which protect the skin. The topmost and most supple layer of skin is called the stratum disjunctum. The stratum compactum is the stratum corneum's deeper, more compacted, more cohesive region. Compared to the stratum compactum, the corneocytes of the stratum disjunctum are bigger, more stiff, and more hydrophobic.

The stratum corneum is dead tissue that performs protective and adaptive physiological functions such as mechanical shear, impact resistance, water flux and hydration regulation, microbial proliferation and invasion regulation, cytokine activation and dendritic cell activity, and selective permeability to exclude toxins, irritants, and allergens.

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How many sigma bonds and pi bonds are there in acrylonitrile?
A. 4 σ and 2 π bonds
B. 6 σ and 3 π bonds 元
C. 76 and 2 π bonds Π
D. 9 and 3 π bonds

Answers

6 σ and 3 π bonds 元 are there in acrylonitrile So the correct option (b).

What is the purpose of acrylonitrile?

Acrylonitrile is utilized in a variety of industries. It is used in the production of some polymers, rubbers, and chemicals, as well as as a pesticide in the past. The following are some instances of employees who may be exposed to acrylonitrile: Employees employed in the production of acrylic fibers and polymers.

What is the chemical formula for acrylonitrile?

Ammoxidation is a process that combines propylene, ammonia, and air to produce acrylonitrile. Propylene, ammonia, and air are supplied via a high-temperature catalyst during ammoxidation.

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1. Mitosis is categorized as a form of _________________ reproduction.

2. Meiosis is categorized as a form of __________________ reproduction.

3. Why are the offspring created by mitosis considered to be clones?


4. Are clones created during meiosis? (Explain your answer.)


5. What are gametes?


6. Human gametes should contain _____ chromosomes each. This number would be considered the ______________ (haploid/diploid) number for humans. The symbol for this is ______.


7. After fertilization, the fertilized egg is referred to as a _______________.


8. What type of cells have the ‘2n’ number of chromosomes?



9. What type of cells have the ‘n’ number of chromosomes? When do these cells have ‘2n’ chromosomes?



10. If an organism has an ‘n’ of 32, how many chromosomes are in its somatic cells? How many chromosomes are in its gametes?

Answers

Mitosis and meiosis are cell division processes that vary in the type and number of cells they produce (somatic cells or gametes), the nuber of chromosomes new cells carry (haploid n and diploid 2n), and their genetic variation. 1) Asexual reproduction 2) Sexual reproduction 3) Because both daughter cells are the same and are identical to their parental cell. 4) Because meiotic division introduces genetic variation among the daughter cells. 5) haploid cells produced by meiosis. 6) Haploid. 7) Zygote. 8) Somatic cells. 9) Gametes have n number of chromosomes. 10) Gametes have 32 chromosomes. Somatic cells have 64 chromosomes

What are mitosis and meiosis?

Mitosis and meiosis are both cell division processes. Both of them follow the interphase, and both are followed by cytokinesis. However, they express differences.

Through mitosis, a diploid somatic cell (2n) produces two daughter diploid cells (2n).

Mitosis occurs in somatic cells and germ cells. This division event can be considered an asexual reproduction process.

Through meiosis, gametes are produced from germ cells. A diploid cell (2n) produces four haploid daughter cells (n). After DNA replication there are two meiotic phases.

The first one is a reductive phase, in which homologous chromosomes separate. In the second phase, the cell suffers a new, not reductive division.

This division event occurs during sexual reproduction.

1. Mitosis is categorized as a form of _asexual_ reproduction.

2. Meiosis is categorized as a form of _sexual_ reproduction.

3. Why are the offspring created by mitosis considered to be clones?

   Because both daughter cells are the same and are identical to their parental cell.

4. Are clones created during meiosis? (Explain your answer.)

  No, because random events occur during meiosis (like crossing over and independent assortment) that introduce genetic variation among the daughter cells. Gametes are genetically different from each other.

5. What are gametes?

Gametes are the haploid cells produced by meiosis.

6. Human gametes should contain _23_ chromosomes each. This number would be considered the _haploid_ (haploid/diploid) number for humans. The symbol for this is _n_.

7. After fertilization, the fertilized egg is referred to as a _zygote_.

8. What type of cells have the ‘2n’ number of chromosomes? Somatic cells.

9. What type of cells have the ‘n’ number of chromosomes? When do these cells have ‘2n’ chromosomes?

Gametes have n number of chromosomes. When gametes mergen and produce a zygote, they have 2n number of chromosomes. Before meiosis I, germ cells have 2n number of chromosomes.

10. If an organism has an ‘n’ of 32, how many chromosomes are in its somatic cells? How many chromosomes are in its gametes?

Gametes have 32 chromosomesSomatic cells have 64 chromosomes.

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________ is seen in some New World monkeys, but not in any Old World monkeys.
a. A grasping hand b. An arboreal lifestyle c. Quadrupedalism d. A prehensile tail e. Color vision

Answers

Answer: the answer is D

Explanation:

The ________ of a population is the time it takes for the cells to double in number.
A) binary fission
B) exponential growth
C) generation time
D) arithmetic growth
E) log phase

Answers

The (c) generation time of a population is the time it takes for the cells to double in number.

A population of bacteria will double in size over the course of one generation. The generation time varies from minutes to hours for various bacteria.

Due to binary fission, bacteria multiply by a process known as geometric progression, doubling every generation. Generation time measures the typical time elapsed between the birth of an individual and the birth of its progeny. A population's age (x), the percentage of females that survived to that age (lx), and the typical number of kids that females left at that age are multiplied to find the mean generation time (mx).

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Question cable television is most associated with which competitive situation? responses communism communism pure competition pure competition monopoly monopoly oligopoly

Answers

Cable television is most associated with the responses communism.

Communism is a political and  profitable system grounded on the idea that everyone should contribute to society according to their  capacities and admit in return according to their  requirements. This system is  generally associated with the  workshop of Karl Marx and Friedrich Engels, who argued for a  cloddish, stateless society grounded on common power of all  coffers, with the government  furnishing for the collaborative  requirements of its citizens. Communism has been opposed by  numerous, as it can lead to a lack of individual freedom and  profitable inequality, as well as an  rough government. Despite this,  numerous communist countries have seen great  profitable success,  similar as in China and Cuba.

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Answer: pure competition

Explanation:

bc i took the test

Using the theory of plate tectonics, name the three types of plate boundaries with the movement that occurs at each
one and describe the geologic features that occur at each boundary.
Use this format: type of boundary/direction of movement/geological features

Answers

The three types of plate boundaries with the movement that occurs at each one include the following below:

A “convergent” plate boundary / collide with one another / deep trenches.A “divergent” plate boundary / spread apart / oceanic spreading ridges.A “transform” plate boundary / slide past one another / earthquakes.

What are Plate boundaries?

This is referred to as a three-dimensional surface or zone across which there is a significant change in the velocity of motion of one lithospheric plate relative to the adjacent lithospheric plate.

There are three types such as convergent, divergent plate boundary etc and they have unique movement and geologic features which can be seen above.

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What describes the action of an endocrine disruptor?

Answers

An endocrine disruptor is a substance that interferes with the normal functioning of the endocrine system.

The endocrine system is the system of glands that produce and secrete hormones that regulate various bodily functions, including growth, metabolism, and sexual function. Endocrine disruptors can mimic natural hormones or interfere with the production, transport, or breakdown of hormones, leading to an imbalance in the body's hormone levels, resulting in a variety of health effects, including developmental and reproductive problems, cancer, and immune and neurological disorders. Examples of endocrine disruptors include certain chemicals found in plastics, pesticides, and personal care products, as well as environmental pollutants.

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A single strand of DNA helix has the code CGCTAA. Which would be the complementary code on the other strand of the helix?
CGCAUU
TATCGG
ATAGCC
GCGATTA

Answers

Answer:  The answer is GCGATT

As a solid, water floats. This means that
Multiple Choice

O solid water is less dense than liquid water
O organisms in ponds, lakes, and reservoirs can survive under the ice cover
O the hydrogen bond arrangement differs between ice and liquid water

Answers

The correct answer is A. Solid water is less dense than liquid water. This is because of the hydrogen bond arrangement in solid water, which is less compact than in liquid water due to the increased space between the molecules.

As a result, solid water is less dense than liquid water, which is why it floats. This means that organisms in ponds, lakes, and reservoirs can survive under the ice cover, as the ice will form a layer between the organisms and the cold, deep water below.

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A biology teacher has 555 different pets they keep in their classroom. For an upcoming holiday break, the teacher will send the pets home with students. Suppose that 161616 of the teacher's 757575 students volunteer to take a pet home, and the teacher will randomly select 555 of those volunteers to each take 111 pet home. The permutation formula n\text{p}rnprn, start text, p, end text, r can be used to find the number of unique ways the teacher can distribute pets to the volunteers. What are the appropriate values of nnn and rrr?.

Answers

The number of unique ways the teacher can distribute pets to the volunteers is given by nPr with; n =16 and r = 5.

Permutations and arrangement.

The number of different ways that an arrangement may be carried out from a collection of available options is referred to as a permutation.

According to the given question;

Despite the fact that there are 75 kids in the class, only 16 offered to bring a pet home.The teacher may only choose among 16 students as a result. Therefore, n=16. Since the instructor needs to select five volunteers to bring a pet home, r = 5.

On this note, the given permutation is nPr with; n=16 and r= 5.

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Question: A biology teacher has 5 different pets they keep in their classroom. For an upcoming holiday break, the teacher

will send the pets home with students. Suppose that 16 of the teacher's 75 students volunteer to take a pet

home, and the teacher will randomly select 5 of those volunteers to cach take 1 pet home.

The permutation formula n Pr can be used to find the number of unique ways the teacher can distribute pets to

the volunteers

What are the appropriate values of n and r?

How many different types of resonance structures can be drawn for the ion so3-2 where all atoms satisfy the octet rule?.

Answers

If the octet rule is followed by every atom, only one structure is feasible. In this instance, S would have a formal charge of +1, whereas all oxygens would have a formal charge of -1.

If S orbital had a formal charge of 0, the octet rule would not be followed, but S's structure would be enhanced. However, there would be three resonance structures in this instance. Bryophytes are more likely to be at the gametophyte stage than the sporophyte stage as compared to higher (i.e., vascular) plants. Even while certain forms of algae have predetermined life cycles, environmental factors typically affect the dominant phase in most algae. Resonance structures, which are assemblages of Lewis structures, describe how an electron delocalizes inside of a polyatomic ion or molecule. A single Lewis structure frequently falls short of explaining the bonding in a molecule or polyatomic ion because partial charges and fractional bonds are frequently present in molecules and polyatomic ions.

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Describe how food is broken down and absorbed by the body. Narrate the journey of a meal from mouth to anus.

Answers

The journey of food from mouth to anus is that the Food is cut into pieces in the mouth, Proteins are broken down in the stomach, Fat is broken down into smaller droplets in the small intestine and Carbohydrates are first broken down in the stomach and waste material is discharged from the anus.

What is digestive system and its function?

The digestive system has been shatters down food to the nutrients such as the carbohydrates, as well as fats and proteins. They can then be soaked into the main bloodstream so that the body can utilize them for the purpose of energy, along with growth and repair.

Proteins are broken down in the stomach, Fat is broken down into smaller droplets in the small intestine and Carbohydrates are first broken down in the stomach and waste material is discharged from the anus.

Therefore, The waste material is discharged from the anus.

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Which element is considered the most versatile element in living organisms and why?
hydrogen, because it provides most of the mass of human bodies
hydrogen, because it can be found in both organic and inorganic molecules
carbon, because it can bond with many elements to form complex molecules
carbon, because it provides strength to the important protein, keratin

Answers

Answer: B

Explanation:

Answer:

The answer to your question is,

C.) carbon, because it can bond with many elements to form complex molecules

Explanation:

I hope this helps :)

life on the earth depends on interaction of gravity, the cycling of matter, and the ____.

Answers

Life on the earth depends on interaction of gravity, the cycling of matter, and the one flow of energy.

Ecology is the look at of organisms and the way they have interaction with the surroundings round them. An ecologist research the connection among residing matters and their habitats. The biosphere is the skinny life-assisting stratum of Earth's surface, extending from some kilometres into the environment to the deep-sea vents of the ocean. It consists of residing organisms and nonliving elements from which the organisms derive strength and nutrients.

Thus, Life on the earth depends on interaction of gravity, the cycling of matter, and the one flow of energy.

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Which of the following statements about autoclaves is true? O The autoclave kills all microorganisms. O Autoclaving is a decontamination technique O The temperature inside the autoclave kills the microorganisms. O b and c only O a, b, and c

Answers

About autoclave autoclaving is a decontamination technique and the temperature inside the autoclave kills microorganisms statements are correct. Here option D is the correct answer.

Autoclaving is a decontamination technique that is used to sterilize laboratory equipment, culture media, and other materials by using high-pressure steam. It is effective against most microorganisms, including bacteria, viruses, fungi, and spores.

The temperature inside the autoclave is high enough to kill microorganisms, usually around 121-134 °C at 15-20 psi pressure. The high temperature and pressure inside the autoclave work together to kill microorganisms by denaturing their proteins and disrupting their cell membranes.

It is important to note that autoclaves cannot kill all microorganisms, some bacteria such as endospores of Bacillus and Clostridium are highly resistant to autoclaving. To ensure that all microorganisms are killed, the autoclave should be operated according to the manufacturer's instructions and the items should be properly loaded and arranged in the chamber for optimal steam penetration.

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Sodium deficiency hampers reabsorption of kidney shows a thick-walled vessel with renal corpuscles scattered in the tissue on one side of the vessel but not on the other side. What vessel is this? A. glucose B. albumin C. creatinine D. water A. Interlobar artery B. Cortical radiate artery C. Cortical radiate vein

Answers

Sodium deficiency can inhibit renal reabsorption by thick-walled vessels and renal blood cells scattered throughout the tissues. The ship was called D. Air

What is sodium deficiency?

A deficiency of sodium in the blood is also known as hyponatremia. Hyponatremia occurs when the composition of water and sodium is not balanced. Where there is too much water or not enough sodium in the blood. Typically, a person's sodium level should be between 135 and 145 milliequivalents per liter (mEq/L). So that sodium deficiency can inhibit kidney reabsorption to remove excess water levels in the body.

In hyponatremia, sodium levels in the blood are less than they should be. This results in increased water levels in the body and makes the body's cells swell.

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Which of the following is a characteristic of all angiosperms? A) carpels that contain microsporangia B) free-living gametophyles C) ovules that are not contained within ovaries D) double internal fertilization

Answers

Double internal fertilization of the following is a characteristic of all angiosperms.

The correct option is D.

Why are angiosperm so important?

Angiosperms are numerous species flowers as well as fruits and seeds. As the primary source of food, angiosperms are crucial to humans. In addition, they supply us with medicines, fabrics, plants, and spices. Timbers and other types of wood are also produced by angiosperms.

Angiosperms grow where?

Formally, angiosperms are quite diverse. Herbs, shrubs, trees, vine, and succulents are among them. They may be found in a wide range of habitats, including woods, grasslands, and deserts as well as aquatic and marine settings. variety among angiosperms.

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Why do you think two offspring of the same parents can have such different characteristics?

Answers

The reasons that influence the characteristic differences of two offspring from the same parents are genetics combination as well as environmental factors.

There are many factors that can influence the characteristics of offspring, including genetics and environmental factors. With regard to genetics, offspring can inherit different combinations of genes from their parents, which can lead to differences in their physical and behavioral characteristics. Environmental factors, such as experiences, diet, and exposure to external environment also play a role in determining their characteristics. In short, the characteristics of an individual are the result of a complex combination between genetics and the environment.

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Fruit farmers graft branches from trees with desirable characteristics on to the trunks of other trees in a process called grafting. The resulting tree produces fruit identical to the source tree. Which term best describes grafting?
A sexual reproduction
B budding
C meiosis
D asexual reproduction

Answers

If fruit farmers graft branches from trees with desirable characteristics onto the trunks of other trees in a process called grafting and the resulting tree produces fruit identical to the source tree, then the term that best describes grafting is D asexual reproduction.

What is grafting?

Grafting is an example of asexual reproduction where an organism may grow in order to generate cells of another organism such as in this case fruit trees that are selected by farmers.

Therefore, with this data, we can see that grafting can be considered an example of asexual reproduction.

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What does mitosis mean in cancer?

Answers

The cells are continually dividing and creating identical, cancer cells

Phosphorus isn't as abundant as nitrogen or carbon because it is contained in the_____and released with____processes, which can take a long time.

Answers

Phosphorus is not as common as nitrogen or carbon because it is locked up in the lithosphere and only released through geological processes, which can take a very long time.

Due to the fact that it does not exist as a gas, phosphorus is not as abundant as carbon. Leaching and runoff both contribute to the introduction of phosphorus into the ocean, where it dissolves in the water or enters marine food webs. Some phosphorus disperses to the ocean floor, where it forms silt. This sediment may drift back to the surface if uplift takes place.

The lithosphere and the geological process, which takes time, both finish the phosphorus cycle. When it weathers, it leaks out through water but is still held in the rocks. In this way, phosphorus from the soil and water is absorbed by the plants.

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Which statement best distinguishes between the function of genes and alleles?
a. Alleles are responsible for variation in traits, while genes are responsible for the expression of traits.
b. Alleles provide duplicate copies in case of mutation, while genes express all mutations.
c. Genes provide variation in traits, while alleles express traits.
d. Genes are responsible for the synthesis of biological compounds, while alleles code for different physical characteristics.

Answers

a. Alleles are responsible for variation in traits, while genes are responsible for the expression of traits.

What is the difference between Alleles and genes ?The distinction between the roles of genes and alleles in genetics made in this statement is accurate. An individual trait or attribute is encoded for by a gene, which is a segment of DNA.An allele is a gene variation; it might be distinct iterations of the same gene that share the same chromosomal location.The attribute or characteristic that a gene codes for can vary as a result of these many gene versions. For instance, there are several alleles of the eye color gene that can produce eyes that are blue, brown, or green eyes.The gene itself is responsible for the expression of the trait (in this case, eye color), while the alleles are responsible for the variation of that trait.

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if four of the original colonists died before they produced offspring, the ratios of genotypes could be quite different in the subsequent generations. this would be an example of

Answers

genetic drift. When the population size of a population is drastically decreased, a phenomenon known as the bottleneck effect occurs. Natural calamities (earthquakes, floods, storms and fires) can completely wipe out a population.

The frequency of alleles in a population is altered when a severe storm kills a large number of people at random. Genetic drift can be seen in all of these. People move and intermarry with people from other populations. Random occurrences can alter a population's allele frequencies, a process known as genetic drift. Small random changes in allele frequencies can have a large impact on the population as a whole, making small populations where this is most likely to happen.

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In the human body, carbon monoxide reduces the amount of oxygen that can be transported to cells. Breathing in too much carbon monoxide will most likely result in the production of.

Answers

There is a good chance that less ATP will be produced if you breathe in too much carbon monoxide. Thus, the appropriate choice is (A).

Why  We Breathe?

The act of moving air into and out of the lungs to promote gas exchange with the internal environment by removing carbon dioxide and bringing in oxygen is referred to as breathing.

There is a pressure differential between the air we breathe in and out of our lungs; when there is a drop in air pressure, the alveolar gaps collapse, allowing air to enter the lungs; this causes inhalation to cease and the alveoli within to contract. There is more pressure than there is in the atmosphere. Exhalation involves the release of air from the lungs. The size of the pressure differential directly relates to the air flow rate.

There are two processes which is involved in the breathing:

InspirationExpiration

There is less ATP generation when breathing in excessive amounts of carbon monoxide.

Thus, producing less ATP will probably happen if you breathe in too much carbon monoxide. Thus, the appropriate choice is (A).

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Full Question: In the human body, carbon monoxide reduces the amount of oxygen that can be transported to cells. Breathing in too much carbon monoxide will most likely result in the production of

(1) less ATP (3) more DNA

(2) less glucose (4) more protein

movement at the hip joint does not have as wide a range of motion as at the shoulder joint.

Answers

Answer:

True

Explanation:

the range of motion is less than that of the shoulder joint because of the action of walking.

hope this helps


What do theories hypothesize about the conditions of Earth's early atmosphere?

•Little to no oxygen
• Low levels of ultraviolet radiation
•Protective atmosphere
•Very cold temperature

Answers

According to speculations, there was little to no oxygen in the early Earth's atmosphere. The right answer is A.

What is the atmosphere?The term "atmosphere" refers to a layer (or layers) of gases that surround a planet and are held in place by gravity. When the gravity is strong and the temperature is low, a planet's atmosphere is preserved.Five layers make up the atmosphere. These include the lithosphere, exosphere, thermosphere, mesosphere, and stratosphere. Different levels of the atmosphere have various temperatures and gas kinds.According to the earlier notion, oxygen wasn't present in the atmosphere back then. That is why there wasn't any life present, assuming any small organisms existed.Therefore, the appropriate response is A. little to no oxygen.

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The binomial system assigns to each organism a unique name that describes its __________.
A
order and family
B
body plan and habitat
C
family and species
D
evolutionary history

Answers

The binomial system assigns to each organism a unique name that describes its family and species.

The correct option is C.

What is the binomial system a level biology?

In this two-name system, each creature is identified by its genus name before being given its species name. Since "homo" is the genus name and "sapiens" is the name of our species, the scientific term for people is Homo Sapiens.

What is the binomial system ?

a complex system of naming conventions, one for plants and another for animals, chosen by botanists or evolutionary biologists from several nations. the broadest taxonomic group. to calculate the likelihood that k out of n people will have a specific genotype.

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2. What is a hybrid organism?
organisms that have extra alleles
organisms with two different alleles
organisms that are missing alleles
organisms with two of the same alleles

Answers

Answer: Organism with two different alleles

This is because hybrid means different.
Other Questions
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