The statements you've provided about tigers and lions could relate to different areas of evidence for evolution. Here's how they could be categorized:
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Tigers and lions evolved at different times: This could relate to the Fossil evidence, as studying the fossil record can show how species evolved and diverged over time.
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Tigers and lions are products of artificial selection: This statement relates more to Anatomical evidence within the context of artificial selection by humans, as selective breeding has altered certain traits in domesticated animals and some wild counterparts.
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Tigers and lions are distinct species: This relates to Molecular evidence (such as genetic differences) that can demonstrate how species are defined based on genetic divergence and reproductive isolation.
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Tigers and lions adapted to different environments: This relates to Embryological evidence and also anatomical features that show adaptations, as different environments can drive the evolutionary changes in species.
These associations help understand how different lines of evidence contribute to the theory of evolution.