O Level Biology MCQs – Certification Test 63

Biotic and Abiotic Environment MCQ (Question 63) – App & e-Book Download

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MCQ 63: To enable the materials locked up in dead organisms, main role is played by:

primary consumers
secondary consumers
decomposers
detritivore

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O Level Biology MCQ App & e-Book – Biotic & Abiotic Environment Exam Prep

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