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Amoeba is holozoic and food consists of other small protozoans, bacteria, diatoms. It ingests its food by the process of phagocytosis if food is solid and pinocytosis if food is a liquid and this process is assisted by pseudopodia .. The feeding mechanism may be in three steps:
Import:after detecting food particle cilia and flagella assist in bringing the food near to body.when food particle comes in contact with membrane, an invagination is produced , food particle goes in this invaginated membrane and results in formation of a food vacuole after detaching from the membrane into cytoplasm.
the food particle fuses with a lysosome filled with enzymes , and digestion starts there at. the digested nutrients are then dispersed into cytoplasm. The nutrients in the cytoplasm are dispersed throughout the cytoplasm by cytoplasmic streming movements like , circulation and rotation and hence used for different purposes.
circumfluence: ingestion of less active food. Eg, bacteria
circumvallation: ingestion of active food..Flagellates
**Digestion is intracellur, and cannot digest fat ( no amylase present in all protozoan)
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When does an Ameoba form a pseudopodia?
It forms pseudopodia to obtain its food.
How ameoba move?
Ameoba moves with the help of psedupodia.
How do autotrophs obtain energy and how do heterotrophs obtain energy?
Heterotrophs obtain energy from foods they consume, and Autotrophs obtain energy by the sun light
How producers consumers and decomposers obtain energy?
producers obtain energy from water and sunlight, consumers obtain energy from producers and decomposers obtain energy from comsumers.
How is the energy produced by nuclear fission used?
- to obtain electrical energy - to obtain thermal energy - to obtain bombs
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They obtain energy from green algae
How do autotrophs obtain energy?
Autotrophs obtain energy by the sun, or chemicals in sunless environments, and Heterotrophs obtain energy by the foods they consume
How do plants and animals cell obtain energy?
obtain energy from nucleas
How do hetetrophs obtain energy?
They obtain their energy by consuming other organisms.
How plant and animal cells obtain energy?
obtain energy from nucleas
How do horses obtain energy?
they obtain energy by eating sleeping which gives them energy which keeps them running
How do autotrophs and heterotrophs differ in way they obtain energy?
Heterotrophs obtain energy from foods they consume, and Autotrophs obtain energy by the sun light
