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Saturday, 22 December 2018

Feeding Mechanisms

All heterotrophic organisms get their nutritional requirements by taking in or ingesting food. In the body,  Food is broken down into simple , soluble and diffusible substances by mechanical and chemical means. This is known as digestion. The digested food is absorbed as soluble form into the fluids of the organisms and transported to all the body or egested.

    Most heterotrophs ingest, digest, absorb and assimilate food. The chemical digestion, absorption and assimilation of fold is basically similar in all organisms. The feeding mechanism or the way an organism obtains and ingests food varies. Feeding mechanisms depend on

• Whether an organism is holozoic (this includes carnivorous plants), parasitic or saprophytic; and

• The types of food the organism feeds on.
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