Read the following passage and choose the options from the drop-down menus that correctly complete the sentences. In Massachusetts, on the shores of a lake, are 190-million-year-old footprints of several different species of dinosaurs. This type of fossil formed from
Paleontologists have learned a tremendous amount of information from these fossils. For example, in one area, there were over 20 sets of footprints that traveled down the beach, all with the same pattern, showing scientists they
The footprints ranged in size from very small to large, indicating to scientists that these dinosaurs
Footprints have taught paleontologists a lot about dinosaurs because they enabled scientists to infer something about dinosaur
1)permineralization.
petrification.
casts and molds.
carbonization.
2)were all the same size.
traveled with their young.
had more than four legs.
lifted their tails when they walked.
3)dragged their tails when they walked.
ran very quickly.
traveled in herds.
were carnivores.
4)diet.
shape.
behavior.
coloring.