[PapaNew]

What's a "major animal group"

Basic Animal Groups: Amphibians, Birds, Fish, Invertebrates, Mammals, Reptiles

who gets to decide what counts as evidence

Evidence is basically any matter of fact that is relevant to the issue and tends to prove or disprove the argument.

[tacticalogic]

Basic Animal Groups: Amphibians, Birds, Fish, Invertebrates, Mammals, Reptiles

All carbon-based, all use adp/atp energy cycles, all have the same basic cellular structure, and a myriad of other commonalities among them. And none of that counts as evidence?