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

Responses

rust deposits
rust deposits

fossil record
fossil record

stromatolites
stromatolites

anaerobic organisms

1 answer

The best response that provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased is the fossil record. The fossil record shows the diversification and evolution of animal life corresponding with significant increases in atmospheric oxygen levels, particularly during periods such as the Cambrian explosion.