I think the answer here is neurons, the nerve cells
Answer:
<h2><em><u>Option</u></em><em><u> </u></em><em><u>A</u></em><em><u> </u></em></h2>
Explanation:
As,
If alligators are shown as their increase in population in that pond so, more alligators which will eat more frogs which will lead in the decrease in their population.
Gregor Mendel found out that treats depends on inherited factors. Also, he study science and math. He then study inheritance of treats and beginning to experiment. So, then he discover that traits depend on inherited factors while he experiment with peas. He had a garden to test with pea plants.