Animals with photoreceptors have good vision. a. True b. False

1 answer:

5 0

Photoreceptors are cells in the retina that begin the process of seeing. The retina is the back part of the eye that contains the cells that respond to light. These specialized cells are called photoreceptors. They absorb and convert light into electrical signals. These signals are sent to other cells in the retina and ultimately through the optic nerve to the brain where they are processed into the images we see. The answer is true. Animals with photoreceptors have good vision.

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B. Sea stars are the prey of seagulls

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Seagulls eat sea stars, meaning that sea stars are their prey (the organism that is eaten).

Predator: an organism that eats (preys on) another organism

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Host: An organism that is fed on by a parasite. Think of a dog with a tick. The dog is the host, the tick is the parasite.

Incorrect answers (and why):

A. Sea stars do not eat seagulls

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D. A host is an organism that a parasite preys on. Not only are sea stars not parasites, but they definitely do not prey on seagulls.

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