Active transport
requires energy. This is because it is going against the natural process of diffusion. Substances diffuse when their net movement is down the concentration gradient (from higher concentration to lower). Active transport is movement from lower concentration to higher. Cytosis (phagocytosis , pinocytosis) also requires energy.
I think it’s E (microtubules) i can be wrong but hopefully this helped
Answer:
Crocodiles are actually the closest living relatives to birds
Answer:
i believe it would be the last option
Explanation:
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