Answer:
C. a decrease in the chromosome number in every generation.
Explanation:
hope it helps .
The cardiovascular transports oxygen, nutrients and glucose.
Soil?
The atmosphere?
Air?
I don't understand how you want this question answered
Answer:
I believe it's ecological succession.
Hope that helps!
Answer:
Its D, The cell membrane(also known a the plasma membrane) has a job in which it has to allow passage in and out of the cell. Therefore it can prevent harmful substances from entering the cell. Think of it as security, either allowing you access or denying you depending on if you're a threat
