Which animals are the oldest vertebrate fossils?
A) amphibians with no jaws
B) fish wi...
Biology, 05.05.2020 01:50 romanlittlewood
Which animals are the oldest vertebrate fossils?
A) amphibians with no jaws
B) fish with no jaws
C) amphibians with soft jaws
D) fish with bony jaws
Answers: 3
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Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
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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
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Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down
Answers: 1
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