Question

Pyramid of numbers is

• A. always upright
• B. always inverted
• C. either upright or inverted
• D. neither upright nor inverted

Answer 1

Answer: (C)

Pyramid of the number represents the number of individual organisms at each trophic level. It can be either upright or inverted.
An upright pyramid of number primary consumers are less than producers; secondary consumers are less than primary consumers—example grassland ecosystem. While in the inverted pyramid of number primary consumers are more than producers; secondary consumers are more than primary consumers. The inverted pyramid of number is seen in the parasitic food chain.