Answer:
for example. humans and apes. we can compare things like dna and features. to see what makes us different and what makes us similer
Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
the key element in the ecological concept of species is that individuals within a species can successfully interbreed and conceive healthy offspring