Which of the following is not a biotic factor?

Assessment: WAEC SSCE - Biology - 1999 (Objective) Subject: Biology

Question 1 Report

Which of the following is not a biotic factor?
Answer Details
The term "biotic" refers to living organisms, so the answer to this question is "Pressure," which is a non-living or abiotic factor. Biotic factors are all living things that affect an ecosystem, such as plants, animals, fungi, and bacteria. Parasites, predators, and grazers are all examples of biotic factors because they are living organisms that interact with other living organisms in an ecosystem.
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