Which of the following explains the term pyramid of numbers?

Assessment: WAEC SSCE - Biology - 1992 (Objective) Subject: Biology

Question 1 Report

Which of the following explains the term pyramid of numbers?
Answer Details
The term pyramid of numbers refers to the graphical representation of the number of individuals present at each trophic level in a food chain or web. This means that it shows the number of organisms starting from the primary producers at the bottom to the top predators at the top of the pyramid. In a simple way, it shows the progressive decrease in the number of individuals from lower to higher trophic levels, as energy is transferred from one level to the next. Therefore, best explains the term pyramid of numbers.
Read lesson note on Food Webs And Trophic Levels (WAEC)
Read lesson note on Ecosystem (WAEC)
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