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26 comments
nours

@SmudgeTheInsultCat and that's without counting the fish eggs

Mx. Luna Corbden

@SmudgeTheInsultCat @Jason844 I never did understand this question.

From the Creationist standpoint, God made the chicken first obvs.

From the evolutionary and domestication standpoint, this. The pre-chicken laid pre-chicken eggs until gradual chickens. It’s not a quantum-state chicken.

eswillwalker

@SmudgeTheInsultCat This would be a perfect Intro bio exam question!

Bongolian

@SmudgeTheInsultCat It answers the age old riddle that seems unanswerable to evolutionarily illiterate (particularly creationists). Which came first the chicken or the egg? Yes, it was definitely the egg from a non-avian dinosaur.

#chicken #eggs #dinosaurs #evolution #creationism

Gurre Vildskägg

@SteveSilent @SmudgeTheInsultCat

Mammals branch off outside this cladogram, don't they?

(and eggs go way way way further back, obviously.)

Steve Paradis

@Gurre @SmudgeTheInsultCat Placental mammals appeared after the dinosaurs and there are still egg-laying mammals like the platypus.

Gurre Vildskägg

@SteveSilent @SmudgeTheInsultCat

indeed. But that graph only claimed "eggs already existed here", which isn't the same as "eggs started here".
Many sharks lay eggs too, and including all branches back to there would, while fun, both be space consuming and not needed to make the central point.

Gurre Vildskägg

@SteveSilent @SmudgeTheInsultCat
Had to look it up: both the platypus and the most common echidna are not threatened. Makes me happy! Felt like the kind of animals that the modern world would have gone ooops and they'd be gone forever.

Doug 🌈🇨🇦 :verified:

@SmudgeTheInsultCat I've been watching that spot for over an hour and no chickens have appeared.

Gurre Vildskägg

@punishmenthurts @SmudgeTheInsultCat
The turtle branch and the lizard/snake branch should switch places, but Yes: Turtles aren't lizards. And crocs are closer to birds than to the others we usually call reptiles.

Trassliga havsnöret Tomas ✅

@SmudgeTheInsultCat But where did the dinosaurs emerge?
All over the place apparently

Gurre Vildskägg

@TomasHelleberg @SmudgeTheInsultCat

A more complete version of the croc & birds grouping, with several extinct groups.
Cred to wiki.

(illustrating Therapoda with a pigeon instead of a T Rex will always be funny to me)

Cladogram of the Archosuchia group.
Top half the many lineages of Pseudosuchia with all but the Crocodylomorpha (crocs & gators etc) marked as extinct.
Bottom half the lineages of Avemetatarsila, with all but Therapoda marked as extinct. Birds are Therapods, after all just like the Tyrannosaurs were. 
First branching of the Avemetatarsila were the Pterosauromorpha i.e. the flyers some uninformed people sometimes also call dinosaurs.
exiltoaster :breadified:

@SmudgeTheInsultCat what is with snails and fishes? These were certainly also before.

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