On what basis plants and animals put into different categories?

Plants and animals are put into different categories based on the Mode of nutrition.

  • Plants are autotrophs, while animals are heterotrophs. The cell wall is present in plant cells, while it is absent in animal cells.
  • Also, locomotion, absence of chloroplasts etc., make them different. For example, plants do not need to move from one place to another, while most animals need to move in search of food.


Autotrophs are organisms that undergo an autotrophic mode of nutrition. These are the organisms that can prepare their own food from simple substances like carbon dioxide and water. All green plants are examples of autotrophs.


Heterotrophs cannot prepare their own food and depend upon producers or green plants and other animals for their food. This mode of nutrition is known as the heterotrophic mode of nutrition.

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