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.
Answers: 3
Biology, 22.06.2019 08:30, laurabwhiddon
Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.
Answers: 3
Biology, 22.06.2019 11:30, itssergioa
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 2
Read the following passage and choose the options from the drop-down menus that correctly complete t...
History, 05.10.2019 00:20
Social Studies, 05.10.2019 00:20
Biology, 05.10.2019 00:20