Question

Which one of the following representations shows the pyramid of numbers in a forest ecosystem?

• A. d
• B. a
• C. b
• D. c

Answer 1

The correct option is D c

• The pyramid of the number indicates the number of individuals at the trophic level. It is upright in the lake ecosystem, grassland ecosystem, aquatic ecosystem.
• The pyramid of numbers is inverted in the parasitic food chain. However, it is spindle-shaped in the forest ecosystem.
• The number of producers, that is plants are less in number. Primary consumers feeding upon primary producers are maximum in number followed by secondary consumers followed by tertiary consumers.

Thus, the correct answer is 'c.'