What does amoeba feed on ?
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Answer:
Amoebae are eukaryotes whose bodies most often consist of a single cell. The cells of amoebae, like those of other eukaryotes, possess certain characteristic features. Their cytoplasm and cellular contents are enclosed within a cell membrane. Their DNA is packaged into a central cellular compartment called the nucleus. Finally, they contain specialized structures called organelles, which execute a range of cellular functions including energy production and protein transport.
Amoebas eat algae, bacteria, plant cells, and microscopic protozoa and metazoa – some amoebas are parasites. They eat by surrounding tiny particles of food with pseudopods, forming a bubble-like food vacuole. The food vacuole digests the food. Wastes and excess water are transported outside the cell by contractile vacuoles.
An amoeba, a single-celled organism lacking internal organs, is shown approaching a much smaller paramecium, which it begins to engulf with large outflowings of its cytoplasm, called pseudopodia. Once the paramecium is completely engulfed, a primitive digestive cavity, called a vacuole, forms around it. In the vacuole, acids break the paramecium down into chemicals that the amoeba can diffuse back into its cytoplasm for nourishment.
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