Answer:
Explanation:
From the question we are told that
2 species
Assuming that questions a and be are solved
Diversity index D=2p_1p_2
with 
Mathematically



Therefore

Giving

Answer:
I'm sorry what?
Explanation:
carbon dioxide is a waste product of cells
Answer:
Yes
Explanation:
Enzymes are involved in most of the chemical reactions that take place in organisms. About 4,000 such reactions are known to be catalyzed by enzymes, but the number may be even higher.
The answer is pheromones. Hope that helps :)