Plz help fast!!! Decorator crabs move along the bottom of the ocean floor collecting sponges and sea anemones?
It is parasitic because the decorator crab receives parasites from the sponges and sea anemones

It is competitive because the decorator crab and the sponges and sea anemones are constantly competing for food

It is mutually harmful because the decorator crab and the sponges and sea anemones spend too much energy caring for each other.

It is mutually beneficial because the decorator crab is getting protection while the sponges and sea anemones are provided a place to stay.

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