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But they did. Specifically, birds evolved from a subgroup of dinosaurs (which were reptiles) known as theropods. There is a lot of fossil and anatomical evidence for this.

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Related Questions

Did dinosaurs evolve into reptiles?

No. Dinosaurs evolved from reptiles. Birds evolved from dinosaurs.


How do vertebrates evolve?

fish- amphibians- reptiles- birds -mammals


Which type of critter did birds and mammals evolve from?

Birds and mammals both evolved from reptiles.


Why did birds evolve after reptiles?

Because they can generate their own body heat - reptiles cannot and need a warm environment


What did the lizard evolve into?

It is believed that snakes evolved from lizards. Lizards are an existing group of reptiles, of course, so did not 'evolve into' anything else--they are still here. While mammals and birds evolved from reptiles, they did not evolve from lizards.


Did birds evolve from lizards?

No, birds didn't evolve from lizards, but they did evolve from dinosaurs, a different group of reptiles. Dinosaurs are different from lizards especially because of their hip structure. Birds descended from a group of dinosaurs known as theropods (bipedal carnivores)


Did birds evolve from the gliding reptiles called pterosaurs Explain your reasoning.?

No, birds did not evolve from pterosaurs; instead, they evolved from theropod dinosaurs, which are a group of bipedal reptiles. Pterosaurs and birds are both part of the larger clade Archosauria, but they represent separate evolutionary lineages. Pterosaurs were flying reptiles that existed alongside the dinosaurs but are not direct ancestors of birds. Instead, birds share a more recent common ancestor with certain theropod dinosaurs, which is supported by numerous fossil discoveries and anatomical similarities.


Did underwater dinosaurs evolve into crocodiles?

what an interesting topic! Birds and reptiles are the living descendantsof the dinosaurs that survived the meteorite-triggered mass extinction that killed off most of the species living 66 million years ago. And of all reptiles, crocodiles are the most closely related to birds.


Did mammals evolve from dinosaurs?

No. Mammals evolved from synapsid reptiles, a group not closely related to dinosaurs. Dinosaurs are more closely related to modern reptiles and birds than they are to mammals.


Do snakes evolve from reptiles?

They ARE reptiles.


Are birds and reptiles amphibians?

No. Birds and reptiles are separate from amphibians.


Do birds eat reptiles?

There are certain birds that eat reptiles.