passwella.
Menu

WAEC Biology 2013 Question 40

Question 40

Feeding Relationships and Energy Flow

A pyramid of numbers is constructed by

  1. A.comparing living and non-living things.
  2. B.measuring productivity
  3. C.conducting census.
  4. D.labelling the living organisms.
Show the answer and explanation

Answer: C (conducting census.)

Explanation

You count (take a census of) the organisms at each trophic level and draw bars in proportion.