BIO NMDCAT Concept of Evolution

nmdcat.online July 14, 2026

33. Which statement correctly compares abiogenesis and biogenesis?

A. Both explain how modern organisms arise from non-living matter.

B. Abiogenesis explains the original origin of life, whereas biogenesis states that existing life arises from pre-existing life.

✓

C. Biogenesis explains chemical evolution.

D. Abiogenesis and biogenesis are identical concepts.

📝 Explanation

Correct: Abiogenesis concerns the first origin of life, while biogenesis applies to present-day reproduction. A, C, D: These incorrectly define the two concepts. Concept: Abiogenesis versus biogenesis.

📖 Additional Information

Both explain how modern organisms arise from non-living matter.
Abiogenesis explains the original origin of life, whereas biogenesis states that existing life arises from pre-existing life.
Biogenesis explains chemical evolution.
Abiogenesis and biogenesis are identical concepts.

Correct: Abiogenesis concerns the first origin of life, while biogenesis applies to present-day reproduction. A, C, D: These incorrectly define the two concepts. Concept: Abiogenesis versus biogenesis.

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