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What are common about dinosaurs?
Reptiles
Why could T. rex not move very quickly?
because of its big size
what does extinct mean?
What modern animals were some dinosaurs the size of?
birds and dogs
What animal did T. rex probably move as fast as?
elephant
when did dinosaurs completely disappear?
66 million years ago
what do paleontologists study?
plants and animals that lived millions of years ago
What reptiles were able to fly?
pterosaurs
what does heavy mean?
not light
How long was Troodon?
two meters
How long could Tupuxuara fly ?
It could fly up to 16.000 kilometers
what does probably mean?
may be
What do some scientists think T. rex was?
predator
What animals did pterosaurs fly like?
bats
what does descendant mean?
avlod