Question

The three biotic components of an ecosystem are ------, -------- and ------.

Answer 1

1. The living components of an ecosystem such as plants and animals are known as biotic components.
2. The three biotic components of an ecosystem are:

1. Autotrophs – produce their own food by using sunlight by the process of photosynthesis. Example plants, green algae.
2. Heterotrophs – these organisms depends on producers for their food. Example – humans.
3. Decomposers – consume, decompose dead and decaying matter. Example – hawk.

The three biotic components of an ecosystem are autotrophs, heterotrophs and decomposers.