In some regions, crabs are being threatened because they're popular delicacies in restaurants and common souvenirs for tourists. why do you think it's important to preserve these crabs? can you think of another environmental condition that could affect the population of these crabs?

I think it's important for the crabs to be preserved because many other species rely on them for food already. It's bad enough birds, and other animals munch on them but humans are making it worse. An environmental condition affecting the population of these crabs are roads, and houses, they block crabs from going to beach.

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Robber crabs eat other crabs, which likely controls the smaller crabs’ population. They also break down and digest plant matter in the ecosystem. That water pollution could negatively harm these crabs, especially if it occurs where young larvae live. Pollution could kill or harm some or all of the larvae, causing a drop in their population.

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.

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