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JAMB Biology 2011 Question 3

Question 3

Feeding Relationships and Energy Flow

In which of the following species is the biomass of an individual the smallest?

  1. A.Bufo sp.
  2. B.Spirogyra sp.
  3. C.Tilapia sp.
  4. D.Agama sp.
Show the answer and explanation

Answer: B (Spirogyra sp.)

Explanation

Biomass is the mass of living matter. Spirogyra is a tiny filamentous alga, while Bufo (toad), Tilapia and Agama are vertebrates weighing many grams.