What might prevent two groups of organisms from reproducing together ?
Answer:
A negative power source or a negative bond
Explanation:
when 2 organisms can't reproduce together is bc it's nonliving or has a negative bond
Prezygotic and postzygotic barriers keep species apart from one another and prevent two groups of organisms from reproducing together.
How are organisms reproducing?Acting before and after the development of a zygote, respectively, these barriers prevent creatures of different species from mating to create fruitful offspring. These obstacles continue to keep species' reproductive isolation.
Pre-zygotic and post-zygotic barriers are the two main categories of restrictions on reproduction. Post-zygotic barriers impede hybridization after fertilization, and pre-zygotic barriers do the same.
Therefore, these barriers, which take effect both before and after the development of a zygote, prevent creatures of different species from mating to generate fruitful offspring.
Learn more about organisms, here:
https://brainly.com/question/17205374
#SPJ2
What ion forms when oxygen reacts?
Answer:
Oxygen is typically observed observed in the -2 oxidation state, in the form O2-, but it can also form other ions such as peroxide, O22-, and superoxide, O2-. With different possible oxidation states, many possible molecular compounds can be formed when an element reacts with oxygen.
Matching assignment. Read each organelle description and match up the function. _____ Nucleolus A. Sac that stores materials. _____ Golgi complex B. Small organelle that synthesizes proteins. _____ Ribosome C. This organelle contains the DNA for the cell. _____ Nucleus D. This organelle makes ribosomes. _____ Cell Membrane E. A jelly-like substance found within the cell membrane. _____ Vacuole F. Tubes found within the cell that allows proteins to move. _____ Endoplasmic Reticulum G. This organelle produces energy. _____ Mitochondria H. Produced by the Golgi Complex and contains enzymes. _____ Lysosome I. Membrane that selects what enters and exits the cell. _____ Cytoplasm J. This organelle packages and ships proteins.
Imagine that you’ve prepared a hanging drop slide but were called out of the room for an hour before being able to look at it. When you return, examination of the slide shows motility. Would you be satisfied with this result? What if the slide showed no motility when you returned?
Answer and Explanation:
If I have prepared a hanging drop slide to examine bacteria's motility, and I called out of the room for an hour, before the examination. After one hour, when I came back to the laboratory, and I examine the slides. If the examination of the slide show motility. I would be satisfied with this result because it means that bacteria can move in the surrounding medium. On the other hand, if the slide's examination shows no motility, it means that bacteria cannot move in the surrounding medium. Bacteria are divided into two groups based on motility. Motile bacteria show motility in the surrounding medium, in which they were suspended, while the non-motile bacteria will show no movement. The examination of the motility of bacteria is done under a microscope by using oil immersion. Hanging drop method is the best method for bacteria identification.
What might happen to the ecosystem of the rainforest if the population of spider monkeys were removed? Correct answer gets brainlyest
Answer:
Rainforest wildlife species would be affected, and forests would be made up of different tree communities.
Explanation:
I don't know if its correct answer, but Good luck
And sorry if its wrong
Dr. Tyler is a clinical psychologist who prescribes drugs such as Valium and Xanax to treat his patients'
anxiety. Dr. Tyler adheres to the perspective in ____ psychology.
neuroscience
cognitive
psychodynamic
social-cultural
The mitochondria in our cells release energy (ATP). What is the life function are they performing?
A. Respiration
B. Reproduction
C. Regulation
D. Synthesis
Answer: The main function of mitochondria is to produce energy for the cell. Cells use a special molecule for energy called ATP.
Explanation: The most prominent roles of mitochondria are to produce the energy currency of the cell, ATP (i.e., phosphorylation of ADP), through respiration, and to regulate cellular metabolism. The central set of reactions involved in ATP production are collectively known as the citric acid cycle, or the Krebs cycle.
HELP PLEASE
Give 5 facts about Native species.
Answer:
Native plants are those that occur naturally in a region in which they evolved.
They are the ecological basis upon which life depends, including birds and people.
A species that has been observed in the form of a naturally occurring and self-sustaining population in historical times.
A species or lower taxon living within its natural range (past or present) including the area which it can reach and occupy using its natural dispersal systems.
A native species is one that is found in a certain ecosystem due to natural processes, such as natural distribution and evolution.
Explanation:
;)
what combines with hydrogen during aerobic cellular respiration
Answer:
Oxygen combines with hydrogen. I think that's the correct answer... sorry if I'm wrong :[
Explanation:
During respiration, most ATP is formed as a direct result of the net movement of potassium against a concentration gradient potassium.
a. True
b. False
Answer:
b. False
Explanation:
All living organisms such as plants and animals require energy to function properly (life activities). Thus, the organelle where energy from nutrients is released is generally referred to as mitochondria. Animals retrieve energy using mitochondria to do cellular respiration because they typically act like a digestive system by taking in nutrients, breaking them down and obtaining energy rich molecules for cell-life activities.
Cellular respiration can be defined as a series of metabolic reactions that typically occur in cells so as to produce energy in the form of adenosine triphosphate (ATP). During cellular respiration, high energy intermediates are created that can then be oxidized to make adenosine triphosphate (ATP). These intermediary products are produced at the glycolysis and citric acid cycle stage.
Basically, mitochondria is one of the cell organelles found in all living organisms and it is known as the powerhouse. Therefore, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.
Hence, during respiration, most ATP is formed as a direct result of the net movement of protons down a concentration gradient but not potassium against a concentration gradient potassium.
What specific part of the cell/structure allows the mucus secretions to be thick and viscous rather than fluid (i.e., is it a membrane channel, organelle or something else)? Please be specific and describe the step-by-step mechanism whereby this altered structure/part of the cell causes the secretions to contain less water.
Answer:
The CFTR behaves like a channel for chlorine. Its dysfunction affects both the transport of this ion and other ions and the transport of water, which causes a thickening of secretions, an alteration of mucociliary transport and local defenses, facilitating bacterial colonization and promoting the release of pro-inflammatory mediators in the airway
Explanation:
CFTR is a protein expressed in the epithelial cells of the respiratory system, pancreas, bile ducts, sweat glands and genitourinary system. It is made up of a single chain made up of 1,480 amino acids. It contains 12 hydrophobic regions embedded in the lipid membrane and acts as a channel for chlorine.The highest levels of expression of the CFTR protein are found in serous cells of the submucosal glands of the proximal airway. In them, Cl- is released to the outside. In addition, there are channels for Na +, through which this ion is also secreted in the same direction. These movements cause the displacement of water and also of mucins, originating in the submucosal glands, allowing their presence on the surface of the airway. For all this to occur normally, a basolateral Na + - K + - ATPase cotransporter must function, another basolateral cotransporter formed by Na +, K + and 2 Cl-, which allows the latter to enter the cell, and an apical CFTR channel through which it exits the Cl- of the cell towards the acinar lumen. Na + leaves the cell following Cl- by a paracellular pathway accompanied by water. When CFTR malfunctions, Cl- does not exit through this channel and this implies a decrease in Na + and water in the canalicular lumen, with the consequent thickening of secretions.
Write down the clinical findings which are least suggestive of left-sided heart failure?
Answer:
Adverse heart conditions do not occur in isolation. It is usually accompanied by other risk factors, like coronary artery dysfunction, diabetes, high blood pressure, etc.
In addition to the above, the following factors are indicative of left-sided heart failure:
Shortness of breath caused by the collection of fluid in the lungs. Shortness of breath usually becomes pronounced upon physical exertionAn increase in the girth of the torso (mainly the abdomen) due to ascites which is the buildup of fluid in the abdomen.engorged scrotum (in males of course)Explanation:
Left-Sided Heart Failure is simply the inability of the heart to pump oxygen-rich blood into the body.
Blood filled with oxygen is moved from the lungs to the atrium on the left and then to the left ventricle. The blood is then pumped from the ventricle on the left to other parts of the body by a contracting and relaxing action. Left-sided heart failure can be classified into two:
Systolic Failure and Diastolic Failure1. Systolic Dysfunction: When the left ventricle can no longer shrink properly, the pressure with which the heart can pump enough blood into circulation is reduced.
2. Diastolic Dysfunction: This occurs when the left ventricle can no longer relax as it ought to due to the hardening of the muscle.
Cheers
Both Duchenne muscular dystrophy and color blindness are caused by recessive alleles. DMD, unlike color blindness, nearly always occurs in males. Explain why.
Answer: Although both are X-linked recessive conditions, and therefore more likely in males, with the single X-chromosome. The recessive allele in colour blindness occurs at a higher frequency in the population and is a mild condition. Thus colour blindness does occur to a lesser extent in females because it needs the double recessive condition. DMD is a severe, disabling condition with a limited lifespan, and recessive allele frequency much lower, so the double recessive condition in females is very rare.
Explanation: DMD is an X-linked recessive, “nearly always in males” suggest that it also occurs due to a new mutation or some rare condition e.g. double recessive from an affected father and carrier mother, or inactivation of the normal gene in a heterozygote. It is also found that the defective allele is not completely recessive and that female carriers may exhibit mild to moderate effects.
colour blindness is polygenic, although the genes are all X-linked. It is more common in males than females. Females can carry two recessive alleles and so express the phenotype, but this is uncommon because the frequency of the recessive gene is low.
There are similarities in that both are X-linked recessives, therefore commonly expressed in males, who only have one X chromosome. The gene frequency of the colour blindness recessive is much higher than that of DMD, so the double recessive condition, which affects females, is more likely to be seen with colour blindness. In addition, DMD is a severe condition associated with disability and limited lifespan, which reduces the probability of mating between an affected male and carrier female
Flatworms are a diverse group living in freshwater and marine habitats. Protonephridia are found in some species of flatworms. This organ is a series of tubes and pumps to get rid of excess water that enters the worm passively from the environment. Which group of flatworms (freshwater or marine) does your group think have the protonephridia system
Answer:
Freshwater
Explanation:
Protonephridia are made up of many flame cells. Flame cells are specialized excretory cell found in the simplest freshwater invertebrates like flatworms.
QUICK!!!!! 100 points
How will the changes to the biosphere affect the geosphere, atmosphere, and hydrosphere?
How will the changes to the geosphere affect the atmosphere, hydrosphere, and biosphere?
1: Hydrosphere causes erosion of geosphere through running water and precipitation. Biosphere breaks down rock of the geosphere (plant roots), but when it comes to soil, minerals of the geosphere feed the plants. ... Atmosphere gets water vapor from hydrosphere.
2: That precipitation connects the hydrosphere with the geosphere by promoting erosion and weathering, surface processes that slowly break down large rocks into smaller ones. ... Both the geosphere and hydrosphere provide the habitat for the biosphere, a global ecosystem that encompasses all the living things on Earth.
HOPE THIS HELPS!!
How will the changes to the biosphere affect the geosphere, atmosphere, and hydrosphere?
Answer: That precipitation connects the hydrosphere with the geosphere by promoting erosion and weathering, surface processes that slowly break down large rocks into smaller ones. Both the geosphere and hydrosphere provide the habitat for the biosphere, a global ecosystem that encompasses all the living things on Earth.
How will the changes to the geosphere affect the atmosphere, hydrosphere, and biosphere?
Answer: There are four "spheres" that make up our planet. They are not spheres themselves, but they are part of the structure of the earth, they are: atmosphere, lithosphere, hydrosphere and biosphere.
When we study the composition of the earth system, we have in mind that they are not "static." On the contrary, they are very dynamic elements, so that one interferes with the other. Example: Rainwater alters the relief, which alters the surface composition and, depending on its shape, even influences the climate, and so on.
Atmosphere: It is the layer of air that surrounds our planet. It is made up of gases - notably oxygen, nitrogen and others - and is also the layer responsible for protecting the planet as well as climate change.
Lithosphere: Also called the Earth's crust, the lithosphere is the solid surface layer of our planet, consisting of rocks, soil and landforms. It is where we live, build our societies, grow our food, and carry out our economic practices.
Hydrosphere: It is the Earth's water layer, being composed by rivers, lakes, oceans and seas, besides the present humidity and that also influences the climate. The existence of water on our planet is vitally important for maintaining life.
Biosphere: It is the layer of life, involving all beings that inhabit our planet, which obviously includes humans. The biosphere can only exist from the combination of the other spheres mentioned above.
What four types of plate movements can cause earthquakes?
Answer:
Hi, I take Environmental Science, and there are only 3 types of plate movements if I'm not mistaken. They are:
1) Divergent.
2) Convergent.
3) Transform.
I'll attach a diagram below of the types of plate movements.
I'll give you 10 points if u answer this question
Answer:
elastic potential energy
hope it helps.
Answer:
A-Elastic potential energy
Explanation:
what is the relationship between matter and atoms
Answer and Explanation:
Matter is defined as anything that has mass and volume. Atoms are the smallest unit of matter. This means that atoms are the building blocks of all other substances on Earth- both organic and inorganic.
The process whereby the remains of an organism are preserved by drying is
A) Petrification
B) Mummiification
C) Erosion
D) Superstition
Answer:
A
Explanation:
petrification
Decide if the following statement is an example of a personal opinion or empirical evidence: Evaporation only happens in the ocean and not rivers and streams.
Answer: This is opinion because it is not evidence based. It ignores empirical evidence to the contrary and is not based on objective observation.
Explanation: From a physical perspective, we know that liquids evaporate from an open surface because random motion sometimes gives a molecule enough kinetic energy to overcome attractive force. This is somthing that we can readily observe. A puddle of water from river, sea, pond or lake in an impermeable container will dry up if the surface is exposed to the air.
The difference between fresh water and seawater is what is dissolved in it and if anything, it would be more difficult for seawater to evaporate.
Is metaphase 1 diploid or haploid?
Answer:
Haploid
Explanation:
Answer: diploid
Explanation:
How does science influence the decisions made about social, economic, and political issues?
Answer:
Science influences society through its knowledge and world view. ... Societal challenges often inspire questions for scientific research, and social priorities often influence research priorities through the availability of funding for research. Technology influences society through its products and processes.
Explanation:
Answer:
Science influences social issues by using the knowledge they know to show their view of the world, For economic and political issues science, is used to justify different political aims of governments
Explanation it is the same thing as the bottom one but shorter. so give brainliest to other person.
What happens to magma during volcanic eruption?
Answer:
lighter than the solid rock around it, magma rises and collects in magma chambers. Eventually, some of the magma pushes through vents and fissures to the Earth's surface. Magma that has erupted is called lava. Some volcanic eruptions are explosive and others are not.
What is a trophic level? *
O Different levels of nutrients present within an organism.
O Each level represented within a food chain or web.
O Levels of ecosystems that the world is divided into.
O The levels of sunlight an autotroph needs to survive.
A trophic level is a level of an ecosystem's food chain or food web. It is a method of classifying the species in an environment according to where they get their nutrients and energy.
What is the reason for them being to classify ?Producers, consumers, decomposers, and detritivores are the four basic groups used to classify trophic levels. Producers are organisms that make their own nourishment using chemical or solar energy.
Algae, certain microorganisms, and plants are a few examples of producers. Organisms that consume producers or other consumers are considered consumers. Customers may be omnivores, carnivores, or both.
Organisms that decompose dead organic matter are called decomposers. Fungi and bacteria are two examples of decomposers. Detritivores are organisms that consume detritus, or organic debris that is not alive. Detritivores include various animals and earthworms as examples of insects.
Trophic levels are crucial for comprehending the movement of nutrients and energy within an ecosystem. They are crucial for comprehending how various species interact with one another and how human activities might alter the ecosystem's balance.
Learn more about Detritivores at:
https://brainly.com/question/28985325
#SPJ2
How do you think that glucose / sugar (food) gets to the other parts of the tree that need it?
Answer:
Alongside xylem is another system of tubes called phloem, which transports the glucose formed in photosynthesis into the branches, fruit, trunk and roots of the tree.
Explanation:
How does the structure of a phospholipid allow it to function as a cell membrane component? A Phospholipids are very polar therefore they disperse easily in water. B The inner non-polar region of the phospholipid bilayer is extremely attractive to water molecules, making the cell membrane semipermeable. с The non-polar regions of the phospholipid tails orient toward each other with the polar regions of the phospholipids pointing toward the inside of the cytoplasm or towards the outside of the cell. D Phospholipids can shift the polar regions and the non-polar regions so they can frequently rotate within the plasma membrane.
Answer:
C. The non-polar regions of the phospholipid tails orient toward each other with the polar regions of the phospholipids pointing toward the inside of the cytoplasm or towards the outside of the cell.
Explanation:
Cell membrane is the outer covering of the cell of living organisms, and according to the fluid mosaic model, the cell membrane is composed of phospholipids and protein. The phospholipid layer of the cell membrane is composed of a hydrophilic (water-loving) phosphate head region and hydrophobic (water-fearing) fatty acid tail region.
In the structure of the membrane, the non-polar regions of the phospholipid tails orient toward each other with the polar regions of the phospholipids pointing toward the inside of the cytoplasm or towards the outside of the cell in contact with water. This enables the phospholipid layer function in selective permeability as a cell membrane component.
tell me something abt space i wanna know-
Answer:
It's big.
Explanation:
If this doesn't deserve Brainliest, I don't know what does.
Answer:
The solar system is a bizarre place with its alien planets, mysterious moons and strange phenomena that are so out-of-this-world they elude explanation. Scientists have discovered ice-spewing volcanoes on Pluto, while Mars is home to a truly "grand" canyon the size of the United States. There may even be a giant, undiscovered planet lurking somewhere beyond Neptune. Read on to find out some of the strangest facts about planets, dwarf planets, comets and other incredible objects around the solar system.
Explanation:
:)
Which statement is true about soil compaction?
A)
It results from human activities that press down on soil.
B)
It increases pore spaces between soil particles.
C)
It increases the soil’s ability to absorb and store water.
D)
It decreases run off.
E)
It decreases flooding.
Answer:
d
Explanation:
the soil has alot of ad wedd======-------dghi
Soil compaction is results from human activities that press down on the soil. Therefore, the correct option is A.
External forces that often result from human activities, such as large machinery, construction, or excessive foot traffic, exert pressure on the soil surface and induce soil compaction. These forces can compress soil particles, restrict pore spaces, and damage soil structure and health.
Soil compaction can reduce water infiltration, limit root growth, reduce soil fertility, and increase surface runoff, among other problems. As a result, option A appropriately points to human activity as the root cause of soil compaction.
Learn more about Soil compaction, here:
https://brainly.com/question/2837181
#SPJ6
if a plant could not make glucose via photosynthesis where would the defect show up.
a. Thicker cell walls
b. less starch
c. more growth
d. less chlorophyll
Answer:
less starch
Explanation:
i took the quiz
The option (B) is correct. Less starch.
What is photosynthesis?Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Moreover, the primary function of photosynthesis is to convert solar energy into chemical energy and then store that chemical energy for future use. For the most part, the planet's living systems are powered by this process. It's not particularly efficient by human engineering standards, but it does the job.
Therefore, most plants, algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies most of the energy necessary for life on Earth.
Learn more about photosynthesis:
https://brainly.com/question/1388366
#SPJ5
why cell is considered as the functional unit of life ?give one reason
Answer:
it is a cingle organism and it lives because it is basically a germ i think
Explanation:
Answer:
I'll give 2 for you to choose from
Explanation:
1. All living things have a cell, whether it prokaryote, a eukaryote.
2. Even though are millions of cells in your body, each one plays big a role in making it function. Whether its your immune system cells or your genetic cells, without them, you literally cant live.
