Hermit crabs use old seashells for shelter and protection. Some species of fish also use abandoned seashells as a place to hide from predators. Which of the following statements is true?
A.
Hermit crabs and fish that hide in shells cooperate with each other for food.
B.
Hermit crabs and fish that hide in shells compete with each other for food.
C.
Hermit crabs and fish that hide in shells cooperate with each other for shelter.
D.
Hermit crabs and fish that hide in shells compete with each other for shelter.

c

Explanation:

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hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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