What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?(1 point)

Responses

stromatolites
stromatolites

rust deposits
rust deposits

anaerobic organisms
anaerobic organisms

fossil record

1 answer

The correct response is fossil record.

The fossil record provides evidence of the appearance and diversification of animal species in relation to changes in atmospheric oxygen concentrations, particularly during the Cambrian Explosion when oxygen levels increased and many new animal phyla emerged.