<span>The male's feathers do not get longer and longer each generation because they would reach a point in which the feathers would hinder their survival. If the females preferred feather trains that would help males fly, then males would likely have much shorter feather trains.</span>
Answer:
Independent variable
Explanation:
I'm not 100% sure this is right.
Answer:
We get the materials to make new cells through...
biosynthesis, which puts small organic molecules together to create larger molecules.
Explanation:
Biosynthesis is the process in your body that turns simple structures into more complex structures. It can happen within a single cell (or within a single organelle within a cell), or across multiple cells. In this case, multiple, since it is referring to humans.
Either this option or A.
Answer:
A species not suited to its environment will find it hard to forage for food and live normally like others that are. This, in turn, will result in the population of that species decreasing and, if severe enough, at some point, dying off.