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kirza4 [7]
3 years ago
9

Flatworms,crabs and starfish are classified as

Biology
1 answer:
OverLord2011 [107]3 years ago
3 0

Answer:

Flatworms,crabs and starfish are classified as Invertebrates.This is due to the fact that they neither possess nor develop a vertebral column, derived from the notochord.

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The structure of the plasma membrane makes this type of transport necessary for fluids is discussed below:

<h3>What do you mean by phospholipid membrane?</h3>

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Because water and other polar or charged substances cannot easily traverse the hydrophobic core of the membrane, the phospholipid bilayer created by these interactions serves as an effective barrier between the interior and exterior of the cell.

The complete sentence of question is:

Why does the structure of the plasma membrane make this type of transport necessary for fluids

Learn more about phospholipid membrane here:

brainly.com/question/14931617

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