Which phrase should be written in the column titled "Always”?
Answer:
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Here is the answer from another user. Hope this helps.
in which direction do arteries carry blood
Answer:
Arteries carry blood away from the heart
Explanation:
Veins carry the blood back to the heart.
Hope this helps!
The protein keratin is used to form the hair of mammals. Insects also have hairs but these hair structures evolved independently and are made of chitin. Given this, the hair of insects and the hair of mammals are Group of answer choices
Given this, the hair of insects and the hair of mammals are none of the provided option is correct.
What is a Homologous structure?This type of structures are a common ancestry and serves different functions.
Analogous structures on the other hand, have similar functions and don't have a common ancestry.
Hairs in insects and mammals have different functions and different ancestry which is why none of the above was chosen.
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In a species of walruses, tusk size is controlled by a single gene that has only two alleles. The same species lives on two different sides of the Arctic Ocean. On one side, the amount of ice is much thicker and requires for walruses to have longer tusks to move out of the water. On the other side, the ice is not as thick and walruses have shorter tusks. Which of the following best describes the walruses in the two populations?
Adaptive alleles that are beneficial in one environment can be deleterious in another, due to selective pressures.
The species will eventually develop an intermediate tusk size in both populations.
The alleles of both populations will undergo directional selection to have the similar gene pools.
The species will risk decline if they continue to differ in allele frequencies and genetic diversity.
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Answer:
Adaptive alleles that are beneficial in one environment can be deleterious in another, due to selective pressures.
Explanation:
just took the quiz.
_________ conducted experimental ablation in animals, whereas ________ applied the concept experimental ablation to humans
6. Many people in the 1700s thought that Earth was only about 6000 years old. How did
the fossil organisms Darwin saw lead him to think Earth must be much older than that?
Answer:
would take much longer than 6000 years for the changes to occur between the fossil organisms he saw and their modern day relatives.
A soil sample that contains
50% clay, 50% sand, and 0%
silt is called
A. silt loam
B. sandy clay
C. loam
Question 2 options:
cactus
Dogs and cats
Eats dead organisms and further breaks them down. Example: bacteria and fungus
1st trophic level
1.
Consumer
2.
Decomposer
3.
Producer
4.
Scavenger
Answer:
Either producer or decomposer
Analyze the below statement choose the one that correctly demonstrates how to spell cellular respiration and photosynthesis are independent photosynthesis uses the glucose in cellular respiration to create oxygen both oxygen and carbon dioxide are used in cellular respiration to create usable energy for organism does photosynthesis use carbon dioxide cellular respiration and photosynthesis use carbon dioxide from cellular respiration to create glucose and oxygen post office in carbon dioxide are used in cellular respiration to create usable energy ATP for the organism
Answer:
Ok, this is very confusing but I'll tell you what I know.
Explanation:
Photosynthesis is in plant cells. It converts carbon dioxide and water into glucose and oxygen using this equation: 6CO2 + 6H2O → C6H12O6+ 6O.
Cellular respiration is in animal cells. It converts glucose and oxygen to water, carbon dioxide, and ATP (ATP is energy for animals) using this equation: C6H12O6 + 6O2 → 6CO2 + 6H2O
Which choice is not classified as an organism?
A. Lizard
B. Apple
C. Tree
D. Bacteria
Answer:
B. Apple
Explanation:
an organism is an individual animal, plant, or single-celled life form.
(in other words, it's a living thing)
Apples aren't living things they are fruit.
Lizards (animal), Tree (plant), and single-celled life forms (bacteria) are all organism since they are living.
Answer:
B.apple is the answer
And the seed—or maybe the embryo—is the young living version of a new tree. But it makes no sense to ask if the apple is living. It's not an organism. It doesn't reproduce. so that means that b is not classified as an organism
A student is investigating the effect of light intensity on the rate of photosynthesis . She observes that as light intensity increases the rate of photosynthesis increases. Which explanation best describes how the rate of photosynthesis can affect the biodiversity of an area?
Explanation: If the rate of photosynthesis increases, then the number of bubbles will increase.
Photosynthesis forms oxygen gas which is utilized by the animals during respiration. As the rate of photosynthesis increase with the intensity of light, the biodiversity of an area also keeps on increasing.
What is Photosynthesis?
Photosynthesis is the process by which plants produce their food with the help of sunlight, carbon dioxide, and chlorophyll, which traps the sunlight (solar energy) in the leaves of plant. This process produces sugar (food) and oxygen gas as by-product.
The oxygen gas produced in this reaction is utilized by other organisms for respiration. The organisms use oxygen gas and release carbon dioxide which is used by the plants.
As the intensity of light is increased, the rate of photosynthesis also increases which will lead to more production of oxygen gas. This oxygen will help other animals in respiration .Thus, the biodiversity of an area will increase with the rate of photosynthesis.
Apart from this, plants also provide food to the animals therefore, the more the number of plants, more will be the animals and hence increase in biodiversity of an area.
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The map below shows the location of the Great Pacific Garbage Patch. Based upon the information in the map, why is it impossible to 'scoop up all of the floating plastic?
Answer:
Because there is an Ocean Current by the Great Pacific Garbage Patch. So the answer is B
Explanation:
Hope this helps!
The map below shows the location of the Great Pacific Garbage Patch. Based upon the information in the map, why is it impossible to 'scoop up all of the floating plastic is because there will ocean currents.
What is the Great Pacific Garbage Patch?The Great Pacific Garbage Patch, additionally called the Pacific trash vortex, spans waters from the West Coast of North America to Japan. The patch is without a doubt created from the Western Garbage Patch, positioned close to Japan, and the Eastern Garbage Patch, positioned among the U.S. states of Hawaii and Californi.
First of all, due to the fact they may be tiny microplastics that are not effortlessly detachable from the ocean. But additionally simply due to the scale of this area.
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During translation the type of ribonucleic acid is responsible for.
Answer:
The ribonucleic acid is responsible for delivering amino acids to help make a protein.
Explanation:
In what way is the dialysis membrane like the cell membrane? (In ur own words)
Answer:
mimics the diffusion and osmosis processes of the cell membraneLike a cell membrane, dialysis tubing has a semi-permeable membrane, which allows small molecule to permeate through the membrane. Thus, the dialysis tubing
Explanation:
hope it helps
Answer:
Like a cell membrane, dialysis tubing has a semi-permeable membrane, which allows small molecule to permeate through the membrane. Thus, the dialysis tubing mimics the diffusion and osmosis processes of the cell membrane (Alberts, 2002).
Explanation:
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The dark meat of chicken is rich in ______ to keep the thigh and drumstick muscles contracting for long periods of running.
Answer:
eww
Explanation:
this is why i think that
What will happen when a plant cell is kept in hypotonic solution?.
food and territory are balancing factors in an ecosystem what type of phenomena balance these factors
Answer:
uhh either natural and reproductive pretty sure it's reproductive
Desertification is caused by a combination of converging problems, including:
A. contamination of irrigation water and natural cycles.
B. overgrazing, deforestation, drought, and climate change.
C. famine, starvation, and biodiversity loss.
D. urban sprawl, pesticide contamination, and natural cycles
what are the steps of meiosis
Answer:
In meiosis I there is prophase I, metaphase I, anaphase I, and telophase I and then in meiosis II there is prophase II, metaphase II, anaphase II, and telophase II.
Explanation:
In meiosis I we have;
Prophase I in which a pair of homologous chromosomes line up and form a tetrad. This is the stage during which genetic recombination occurs.
Metaphase I occurs, during which the homologous chromosomes line up opposite each other at the metaphase plate. The chromosomes orientate themselves randomly, thus homologous chromosomes are distributed randomly to daughter cells .
In Anaphase I, homologous chromosomes move to opposite sides of the cells but sister chromatids remain together. Each cell now has 23 chromosomes.
Telophase I in which the homologous chromosomes move to the poles and cytokinesis occurs. Two daughter cells are formed.
In meiosis II we have;
Prophase II (note: there is no interphase as seen in mitosis) during which chromosomes start to move to the metaphase II plate. There is no replication.
Next is metaphase II when the chromosomes align at the metaphase II plate.
In anaphase II the sister chromatids separate from each other and move towards opposite poles.
Lastly, in telophase II cytokinesis occurs again and four daughter cells are produced. Each of the four daughter cells has 23 chromosomes.
________ is the term for warm-blooded animals that internally control their body temperature. Ectotherm Endotherm Poikilotherm None of the above.
Answer:
endotherm
Explanation:
hope this helps bud
Answer:
B: Endotherm
Explanation:
An ectothermic animal is an animal that relies on external heat sources to control it's body temperature.
An endothermic animal is an animal that maintains a constant body temperature without the help of the environment.
A poikilothermic animal is an animal that has an unstable internal body temperature and relies on the ambient temperature.
A diploid is one that
Answer:
has chromosomes found in pairs
Explain why a river forms a valley. pls help
Answer:
Erosion.
Explanation:
Erosion is when rocks/dirt move from one place to another. Erosion happens due to flowing water such as streams or rivers. Over time, these streams/rivers can erode the land around it to create valleys.
Hope that helps!
What is the lysosome function
Answer:
They break down excess or worn out cell parts. They may be used to destroy invading viruses and bacteria.
Explanation:
Hope this helps<3
Answer:
They break down excess or worn out cell parts. They may be used to destroy invading viruses and bacteria.
Explanation:
photosynthesis equation with explanation
The photosynthesis equation is as follows:
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
★ Carbon dioxide + water + energy from light produces glucose and oxygen
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.
More to know :-
There are two types of photosynthetic processes: oxygenic photosynthesis and anoxygenic photosynthesis. They both follow very similar principles, but oxygenic photosynthesis is the most common and is seen in plants, algae and cyanobacteria.
Explanation:
6CO2+ 6H2O sunlight and chlorophyll C6H12O6+ 6O2
it's a type of nutrition in which green plant manufacture their food using carbon dioxide and water in present of sunlight and chlorophyll
Please?!
How many strands do RNA have?
Answer:
One
Explanation:
RNA is a single-stranded molecule
4. List the materials needed in crocheting.
Answer:
crocheting hookyarnscissorstape measurestitch markersdarning needle
Why is algal bloom around the edges of the Black Sea than spreading all over it?
Answer:
Algal bloom. Bright green blooms may also occur. These are a result of blue-green algae, which are bacteria (cyanobacteria). Some algal blooms are the result of an excess of nutrients (particularly phosphorus and nitrogen) into waters and higher concentrations of these nutrients in water cause increased growth of algae and green plants.
Explanation:
What environmental factor would have caused the changes as resulted in the chart above? Question 18 options: The climate changed, and the color of the trees favored the light-green (Dd) genotype over the others. The climate changed, and the color of the trees favored the Green (DD) genotype over the others. There was no environmental change, the heterozygous genotype is always more dominant within a population.
Climate change caused the color of the trees to be favored the light-green (Dd) genotype over the others.
What is an adaptation?An adaptation is a special feature or structure possessed by organisms which enhances their chances of survival in their environment.
Adaptation could be due to environmental changes could such as:
temperature flooddroughtAdaptation to enviromental changes could make a particular genotype more dominant.
For example, the sickle cell carrier genotype is more common in areas that malaria is endemic.
Therefore, the environmental factor that would have caused the changes is climate change which caused the color of the trees to be favored the light-green (Dd) genotype over the others.
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Fill in the blanks:
1. ___________the study of all of the genetic material of all organisms in a particular habitat.
2. ___________the study of all of the RNA produced by an organism.
3. ___________the study of all of the proteins produced by an organism.
4. ___________the study of all intermediates and small molecules produced by reactions within an organism.
5. ___________the study of the entire genetic makeup of an organism.
Answer:
1. metagenomics_the study of all of the genetic material of all organisms in a particular habitat.
2. transcriptomics_the study of all of the RNA produced by an organism.
3. proteomics_the study of all of the proteins produced by an organism.
4. metabolomic_the study of all intermediates and small molecules produced by reactions within an organism.
5. genomics_the study of the entire genetic makeup of an organism.
Explanation:
Tornadoes usually occur during which of the following seasons? *
10 points
spring and fall
fall and early winter
spring and early summer
summer and winter
Answer:
The third one
Explanation:
Tornadoes can form at any time of year, but most occur in the spring and summer months along with thunderstorms.
