A scientist discovers a new organism that is related to clownfish. What can the scientist discover by using molecular
clocks?
the date that the organism first appeared in the fossil record
the age of the organism
the amount of time that the two species have been evolving apart
o the number of years that fish have existed
Answers: 1
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Compare and contrast the adaptations of free-living flatworms and parasitic flatworms
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What is thought to have caused the mass extinction at the end of the cretaceous period?
Answers: 1
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The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
A scientist discovers a new organism that is related to clownfish. What can the scientist discover b...
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