Answer:
D the upper layers
Explanation:
at first, lifeforms were simple. they got more complex for a variety of reasons, including to adapt to the changing earth. simple organisms will be lower down for that reason.
Insects have three body segments. The first one is the head, the second is the thorax, and the abdomen is in back. The middle one, the thorax, supports the legs and wings.
The body segment that supports the legs and wings of an insect is the thorax.
The answer is 5
(pls give brainlyest)
The first step a biologist takes when deciding how to study life is to make an observation.
Answer:
all of them are true except C.
Explanation:
