Answer:
Reproduction is important for the survival of all living things. Without a mechanism for reproduction, life would come to an end.
Explanation:
Reproduction is a characteristic of all living systems; because no individual organism lives forever, reproduction is essential to the continuation of every species.
Proteins are made up of a chain of 20 amino acids
Answer: P= (Lx2)+(Wx2)
A=Bxh
Explanation:depends if you are finding area or perimeter. Area is base multiply by height (or length times width).
Perimeter is base times 2 plus width times 2 (or add all the sides up)
The answer would be D, evolved from a common ancestor
Hope this helps!