OBJECTIVE FORESTRY

Detailed explanation-1: -Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs. Heterotrophs occupy the second and third levels in a food chain, a sequence of organisms that provide energy and nutrients for other organisms.

Detailed explanation-2: -Heterotrophs are organisms which 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. Heterotrophs rely on autotrophs to provide a continuous supply of new organic molecules.

Detailed explanation-3: -Heterotrophs cannot synthesize their own food and rely on other organisms(both plants and animals) for nutrition.