Answer:
because existing cells divide to produce new cells
The answer is B. both need food and air
Three factors that affect the biodiversity in an ecosystem
include area, diversity of niches, and climate. Keystone species
also have a large effect.
Answer:
Active transport proteins use adenosine triphosphate (ATP), the cell's energy storage molecule, to pump glucose into the cell, either with or against the concentration gradient.
Explanation:
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