Question

This is an organism that relies on complex organic substances for nutrition.

Answer 1

The correct answer is - heterotroph.

Explanation:

A heterotroph is a group of organisms that depends on then the other organic carbon substances which are complex for their nutrition, mostly on animals and plants matter.

Heterotrophs in a food chain can be a primary, secondary or tertiary consumers but can not be producers as they do not produce their food. The examples of the heterotrops are human, animals, and other primary, secondary or tertiary consumers.

Thus, the correct answer is -Heterotrophs.

Answer 2

A heterotroph is an organism that relies on complex organic substances for nutrition. A heterotroph is an animal that can't make its own food supply, so they have to eat other things, like plants or other animals, to survive. Hope this answers the question.