What are some of the roles crabs play in their ecosystem?

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I need to know for a school over-the-summer assignment. Please don't answer if you don't know, but guesses are okay.

2007-07-19 11:06:34 · 4 answers · asked by S 3 in Science & Mathematics ➔ Zoology

Adult and sub-adult crabs are food for many other creatures (as are their eggs and larvae). They are also scavengers and predators.

2007-07-19 11:13:25 · answer #1 · answered by Mimik 4 · 0⤊ 0⤋

Crabs are the scavengers of the sea floor.

2007-07-19 11:12:09 · answer #2 · answered by Dave C 7 · 1⤊ 0⤋

They scavenge stuff, clean up stuff (food most likely), and are food for other predators.

2007-07-19 11:48:12 · answer #3 · answered by Anonymous · 0⤊ 1⤋

They clean up the environment.

2007-07-19 11:09:28 · answer #4 · answered by Zuko's mom 2 · 1⤊ 1⤋