Question

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

fossil record
fossil record

anaerobic organisms
anaerobic organisms

rust deposits
rust deposits

stromatolites

Answers

GPT-4o mini
The correct response is **fossil record**.

The fossil record provides evidence of the diversification of animal species that coincided with increases in atmospheric oxygen levels, particularly during events like the Cambrian Explosion.

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