It’s b.
He grouped the types of creatures according to their similarities: animals with blood and animals without blood, animals that live on water and animals that live on land.
I think i see what he means the answer is B.
but correct me if i'm wrong.
Answer:
the defention of environment is the surroundings or conditions in which a person, animal, or plant lives or operates
Explanation:
because the natural world, as a whole or in a particular geographical area, especially as affected by human activity.
