Question

Describe the different types of heterotrophic nutrition based on the complexity of carbon sources of food with suitable examples.

Answer 1

Dear student Heterotrophic nutrition is a type of nutrition in which the organisms cannot prepare their own food and depend upon other organisms for the source of nutrition. Except for green plants, all other organisms are heterotrophs. There are many types of heterotrophic nutrition like Holozoic the mode of nutrition in which organisms intake complex food materials and are broken down into simpler forms by the specific digestive system of organism. E.g. Human. Saprophytic The mode of nutrition in which organisms obtain nutrition on dead and decaying matters is known as saprophytic nutrition. E.g. Fungus. Parasitic It is the mode of heterotrophic nutrition in which an organism lives inside the body of another organism called host and obtain nutrition from the host. E.g.Plasmodium Symbiotic In this mode of nutrition two organisms survive by depending upon each other without causing any harm to any of the members. E.g. lichen. regards