Answer -:
⟹ It is a mode of nutrition in which organism are unable to synthesize organic substance by themselves and obtain part of whole of organic substance from external environment. the organism that obtain their food by this method are called heterotphs.
- tha organism which lack green pigments chlorophyll are included in this group.
- all animal ,fungi and most of bacteria belong to this group.
- a large number of higher plant also Lack chlorophyll . they are also unable to synthesize their organic substance food .
On the basis of types of food and feeding habit's nutrition classified into following group -:
(1) Holozoic Nutrition -:
nutrition and animal consumes a plant or an animal us whole or a part of it in solid or liquid form most of free living a cellular protist and all animal show Holozoic Nutrition
(2) Herbivores -:
animal eating grass or other plant material are called Herbivores.
- Example - Grazers- horse , cow , goat etc .
(3) Carnivorous
flesh eating animal are called carnivorous.
- Example -: Lion , tiger , Wolf etc
(4) Omnivorous
animal eating food or plant us well us animal origin are called omnivorous.
(5) Insectivorous
insect eating animal are calledinsectivorous .
(6) Frugivores
animal which mainly depend on fruit are called frugivores.