Biology

The correct answer is A.Biotic because bacteria are living.

Bacteria are living organisms, so they are considered a biotic factor in an ecosystem. Biotic factors are the living components of an ecosystem, including plants, animals, fungi, and microorganisms like bacteria.

Here’s why the other options are incorrect:

B.Abiotic because bacteria are non-living: This is incorrect because bacteria are living organisms, so they are not considered abiotic factors (which ...