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ElenaW [278]
3 years ago
5

Why is diffusion important important to cells?

Biology
2 answers:
nekit [7.7K]3 years ago
6 0

it allows for nutrients to come into the cell using passive tranport aka moving anything on a gradient without the use of energy (ATP).

blondinia [14]3 years ago
6 0

Diffusion can occur across partialy permeable membranes, such as those surrounding cells. Therefore, diffusion is involved in the movement of important molecules into and out of cells. It is important for the uptake of substances needed by cells, and also the removal of waste products produced by the cells.

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Cnidarians and Ctenophores are alike in the following way: a) they are scavengers and parasites. b) they are both diploblastic.
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Answer:

Options B.

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Cnidarians are group of aquatic animals that live both in fresh water and Marine water. They are distinguished by the possession of specialized cells called cnidocytes for capturing prey. They are radially symmetrical and have two body layers ectoderm and endoderm separated by jelly layer called mesoglea.

Examples are Hydra, corals, sea anemone and jelly fish.

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They have nemacyctes for capturing prey.

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