The most important thing a population can have in order for the mechanisms to work is... A. Humans, to guide evolution

B. A large population

C. A lot of space

D. Variation

Astudy was performed on 20 trees to test the effectiveness of a new fertilizer. the results of this specific study is brought into question. what would possibly improve the reliability of the results?

What is an animal that lives by preying on other animals

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.