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Whales is whales (mander.xyz)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] L1to 26 points 7 months ago (2 children)

Not all liquids are, or come from mercury, while all tretapods come from fishes. So that logic doesn't work.

[–] [email protected] -1 points 7 months ago (1 children)

I agree. All animals and plants are single celled.

[–] wanderer 4 points 7 months ago (1 children)

'Single celled' is a characteristic, not a lineage. Organisms don't necessarily have the same characteristics as their ancestors.

[–] [email protected] 0 points 7 months ago (1 children)

You're seriously splitting hairs about lineage when you know humans are obviously not fish.

[–] wanderer 1 points 7 months ago (1 children)

A species can not evolve out of a clade. I am not splitting hairs, I am simply accepting cladistics classification as valid.

[–] [email protected] 1 points 7 months ago (1 children)

I am simply accepting cladistics classification as valid.

Obviously you are not, since fish are not considered a monophyletic group.

[–] wanderer 1 points 7 months ago

Bony fish (Osteichthyes) is monophyletic.

However, since 2013 widely cited ichthyology papers have been published with phylogenetic trees that treat the Osteichthyes as a clade including tetrapods

[–] [email protected] -1 points 7 months ago

Yes but "mammals are tetrapods" is the incorrect one