To characterize the feeding and excretion processes in the amoeba.

The feeding mechanism of the amoeba is called cellular ingestion.

Amoeba is omnivorous. It feeds on bacteria, unicellular plants and animals, decaying organic matter. The amoeba bumps into food, envelops it from all sides and the food is absorbed by the cytoplasm of the amoeba. A digestive vacuole forms around the food. Digestive secretions process food.

The vacuole with unprocessed food debris moves to the surface of the amoeba’s body and is pushed out. Also, the waste products of the amoeba can be excreted through the contractile vacuole.

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