The biggest dinosaurs were as long as 3 _______. (buses/trains/planes)
buses
The biggest dinosaurs were as heavy as 17 ________. (elephants/chickens/dolphins)
elephants
Some big dinosaurs had ______ and feathers. (fur/scales/dots)
scales
Did most dinosaurs have feathers?
Yes, they did.
Birds and dinosaurs have similar ______ and sleep the same way. (footprints/eyes/bones)
bones
_______ are living dinosaurs. (Mammals/Reptiles/Birds)
Birds