Explain the different parts of heterotrophs
Answers
◆Heterotrophic mode of Nutrition:
Every non-autotrophic organism which depends on others for their food is called heterotrophs.
◆Saprophytic mode of Nutrition:
Saprophytes (animals which follow saprophytic nutrition) feed on dead and decayed organisms for energy. They consume dead and decayed remains of animals and plants. In this way, they help clean the environment.
Some examples of saprophytes are fungi and certain types of bacteria.
◆Parasitic Nutrition:
Organisms which feed on other organisms by deriving out nutrients from other animals (hosts) are called parasites.
Few examples of parasites are louse on a human head, Cuscuta plant, and tapeworms.
◆ Holozoic Nutrition:
Human follows the holozoic mode of nutrition. Holozoic nutrition means the feeding of solid and liquid food by animals. This involves the steps of ingestion, digestion, absorption, assimilation, and excretion. Ingestion is the intake of food, which is broken down into simpler organic matters by a process called digestion.
Example: Cat , dog , humans, and also amoeba.