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.
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
1 answer