3 years ago

Help!!!! Please, Urgent

Biology

1 answer:

Leno4ka [110]3 years ago

5 0

i think that the answer is c

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When the pesticide, ddt, was heavily used plants would absorb the residues that washed off into the waterways. small fish consum

Volgvan

The answer is bioaccumulation. Bioaccumulation is when toxins build up in a food chain. The animals at the top of the food chain are affected most severely because the concentration of toxin becomes most concentrated in the body tissues of the animals at the top of the food chain.

6 0

3 years ago

Read 2 more answers

9. Which structure helps animal cells maintain their shape?

ludmilkaskok [199]

Answer:

D. Cytoskeleton

Explanation:

It is really none of these answers. The correct answer would be a microtubule which is a component of the cytoskeleton which is in the cytoplasm.

The Cell Walls are only in plant cells so that won't work. So, A wouldn't work.

Chromosomes are the things that both your parents give you as genes. They have nothing to do with keeping the structure of the cell alright.

Cytoplasm cannot be a answer choice because, the thing is in it but, it doesn't do anything with it. So C wouldn't work either