Sharing lifeblood

Parasites are animals that live at the expense of other animals. They rob their host of food, and can make it become sick. However, some animals help each other. Some hermit crabs put sea anemones in their shells and then hide under their protective, stinging tentacles. The sea anemone also benefits because it shares the crab's food. Encyclopedia of Questions & Answers, Bounty Books

Parasites are animals that live at the expense of other animals. They rob their host of food, and can make it become sick. However, some animals help each other. Some hermit crabs put sea anemones in their shells and then hide under their protective, stinging tentacles. The sea anemone also benefits because it shares the crab's food. Encyclopedia of Questions & Answers, Bounty Books

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