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JAMB Biology 2013 Question 7

Question 7

Soil

Use the diagram to answer: The organism is found in soils rich in

Diagram for this question
  1. A.humus.
  2. B.clay.
  3. C.sand.
  4. D.mud.
Show the answer and explanation

Answer: A (humus.)

Explanation

The earthworm feeds on decaying organic matter and needs moist soil, so it is found in soil rich in humus.