WAEC Biology 1999 Question 43

Question 43

Feeding Relationships and Energy Flow

Which of the following is a means of measuring primary production?

  1. A.Rate of reproduction of animals
  2. B.Life span of an organism
  3. C.Number of predators in an environment
  4. D.Harvested plants in a unit area
Show the answer and explanation

Answer: D (Harvested plants in a unit area)

Explanation

Primary production is the food made by plants, measured by the mass of plant material produced in a unit area.