The environment is the ultimate filter for which traits are maintained by natural selection. If a trait makes it easier to live in an environment, then that trait will be maintained. If a trait is makes it difficult to live in an environment, then that trait will be discontinued or removed.
A nerve cell is one singular cell, while nerves are a group of them. And nerve tissue is an organized group of nerve cells.
<span>The periodic table shows all the elements and their physical properties; it is arranged based on atomic numbers and electron configurations.
Yes the periodic table shows every known molecule that "HAS" been discovered. So, yes, but if there are more, we wouldn't know quite yet.
I hope this helps. </span>
Answer:
The answer is A- A saturated fat
