An anthropologist discovers the fossilized heart of an extinct animal. The fossil indicates that the heart was large, well-formed, and had four discrete chambers with no connection between the left and right sides. Which conclusion is most strongly supported by the finding?
a. The animal had evolved from birds
b. A species had little to no need to regulate blood pressure
c. The animal was most closely related to alligators and crocodiles
d. The animal was likely an invertebrate animal
e. The animal was endothermic and had a high metabolic rate
Answers: 1
Biology, 21.06.2019 13:30
Ocean waves move up and down in circles, but transmit horizontally toward the shore.
Answers: 1
Biology, 21.06.2019 19:00
The model illustrates a process by which a substance is taken up by a cell
Answers: 2
Biology, 21.06.2019 23:40
When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page
Answers: 3
An anthropologist discovers the fossilized heart of an extinct animal. The fossil indicates that the...
Social Studies, 11.12.2019 08:31
Computers and Technology, 11.12.2019 08:31
English, 11.12.2019 08:31
Mathematics, 11.12.2019 08:31
Mathematics, 11.12.2019 08:31
Mathematics, 11.12.2019 08:31
Social Studies, 11.12.2019 08:31
Mathematics, 11.12.2019 08:31
Mathematics, 11.12.2019 08:31
Chemistry, 11.12.2019 08:31
Mathematics, 11.12.2019 08:31