Question

An ecosystem is represented in the figure given above. This ecosystem will be self-sustaining if ______.

Options

• the type of organisms represented by B are eliminated.

• materials cycle between the organisms labelled A and the organisms labelled B.

• the organisms labelled A outnumber the organisms labelled B.

• the organisms labelled A are equal in number to the organisms labelled B.

Answer 1

An ecosystem is represented in the figure given above. This ecosystem will be self-sustaining if materials cycle between the organisms labelled A and the organisms labelled B.