JAMB Biology 2021 Objective — Question 25

Question 25 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2021 Objective paper, with the correct answer and a full explanation.

25. Which of the following involves only one living organism? (a) predation (b) commensalism (c) saprophytism (d) mutualism

A. predation
B. commensalism
C. saprophytismCorrect
D. mutualism

Explanation

Predation, commensalism and mutualism each involve two living organisms, while saprophytism involves only one living organism (a living organism feeding on dead/decaying matter).

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