Which of the following organisms plays a key role in nitrogen fixation?

Rhizobium bacteria, found in the root nodules of leguminous plants, fix atmospheric nitrogen into a usable form for plants.

Which of the following is an example of a secondary consumer?

A frog is a secondary consumer as it feeds on primary consumers like insects.

Biology — Ecosystem

Set 11 of 25

15:00

0/10 answered

Sign in to save your score and view detailed explanations

1Question 1 of 10

Medium

Why does an energy pyramid remain upright?

TopperSquare

Sign in to save progress, see explanations, and track analytics.

Questions

Answered

Flagged

Visited

Not visited

All Sets