Amoeba has flexible cell membrane. It enables amoeba to engulf in food by the process called endocytosis.
Ameoba uses it false feet or pseudopodia to move and to engulf any food it comes in contact with.
An amoeba
An amoeba
They surround the food and engulf it. If you push a cherry into jello, that would be somewhat like it.
They engulf there food by the process of phagocytosis or picnocytosis. The large food material first broken down by ameoba as it secreate some extracellular enzyme then that food material is taken by amoeaba as amoeba form pseudopodia around the food material and then take it inside the cell.
Amoeba obtain its food by the process of endocytosis. It is due to the flexibility of cell membrane as it enables the cell to engulf food and other materials from its external environment. There are four ways in which an amoeba can ingest solid food: 1. Circumvalletion-when the prey is active and motile, e.g. Any smaller protist 2. Circumfluence- when the particle is sessile e.g. Unicellular algae 3. Import- then particle comes into contact with the amoeba and then sinks into it just like in quicksand. 4. Invagination- the amoeba does'nt use it's pseudopodia here, instead it pinches off a portion of it membrane to form a tube like structure which, along with the particle makes a food vacuole.
Most amoeba do not have chloroplasts. However, recent studies show that amoeba can obtain choloroplasts from engulfing photosynthetic alga.
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a amoeba engulfs it food by endocytosis
The digestion of food in Amoeba takes place in the food vacuole. :)
Enzymes move into the vacuole to digest food, and the digested food passes into the amoeba
Amoeba can not make it own food because it is not autotrophs since it has no chloroplast.
The food vacuole is formed by the outer membrane of the amoeba after phagocytosis, digestive enzymes then enter the food vacuole which digest the food that was recently taken in by pseudopods.