Answer:
The answer should be the third option. 'All animals are multicellular heterotrophs'
Explanation:
Answer:
Explanation:
They have a way to break down materials called metabolism. A living organism can either make its own food or depend on others to make food for them. For example green plants produce their own food from a process called photosynthesis. They use the chloroplasts in their cells to capture energy in sunlight.
Answer:
Genetic drift does not require the presence of variation.
Explanation:
Genetic drift is the random changes to the frequency of an allele in a given population.
Natural selection is the process whereby organisms that are well adapted to the conditions in an environment can survive and produce more offspring.
- Genetic drift does not require variation to occur.
- It usually occurs even when there is less to no variation.
- Natural selection occurs when variation is very large.
- A highly varied gene pool causes natural selection.
B.
trivially easy to copy and redistribute