Question

a student collects a soil sample from a prairie grassland. which substance in the soil sample is classified as abiotic?
○ bacteria
● insect larva
○ rock particles
○ worms

Explanation:

Abiotic factors are non - living components of an ecosystem. Bacteria, insect larva, and worms are living organisms (biotic). Rock particles are non - living, thus abiotic.

Answer:

rock particles