Answer:
DNA and proteins
Explanation:
By comparing these specific molecules in two different species, scientists can determine how closely related the species are.
Answer:
A graph has trait value on the horizontal axis and population of ... selection have similar curves, but the original population peaks
The diaphragm is the large flat muscle. hope that helps :)
Answer: water
Explanation: Water is everywhere and required to survive, so water would be the most abundant compound.