teastain t1_j6khppa wrote
Reply to comment by klonkrieger43 in All of us have direct ancestors who survived 5 global mass extinctions and outlived the dinosaurs by Arinupa
Only small mammals survived the Chicxulub extinction, no apes, no horses, cows. So the mammal prototype of one heart, two lungs, four limbs is what we evolved from.
AxialGem t1_j6kjjnr wrote
>one heart, two lungs, four limbs
That's the ancestral condition for all tetrapods, not just mammals of course :p
FindorKotor93 t1_j6kqez6 wrote
Yup, the mammal template by this point was Warm Blood, Specialised Teeth, legs below plane of body.
I-dont-rickroll t1_j6md6ac wrote
Warm blood and fetus that grow in their belly, you forgot this part.
FindorKotor93 t1_j6n2oqm wrote
I don't know why you're getting downvoted, but yes I did forget live birth.
[deleted] t1_j6ls5kx wrote
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TheEightSea t1_j6mgp2r wrote
The apes are literally this little fella's descendants. Like cows and horses, BTW.
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