Test Review-Evidence of Common Ancestry
Quiz by Kristin Bullwinkle
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6 questions
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- Q1Rocks containing 450 million year old Ordovician fossils contain jawless fish. Younger Devonian rocks that are only 400 million years old contain fossils of jawless fish and fish with jaws. This evidence supports the idea that -there are large gaps in the fossil record.species can suddenly appear in the fossil record.groups of species have changed sequentially.older rocks are found above younger rocks.30s
- Q2All of the following types of information can be learned from the fossil record EXCEPT –the anatomy of various species.the future evolution of major groups.the common ancestry of organisms.the geographical range of populations.30s
- Q3The structural similarity shown in the organisms pictured here suggests that –similar bones are the same size in all animalssome bones in the skeleton have immovable jointsonly quadrupeds need the humerus bonethe organisms share a common ancestor30s
- Q4Which of the following would suggest that two species shared a common ancestor?their genes share many commonalitiestheir fossils were discovered in the same locationthey have similar needs in terms of dietthey have similar needs in terms of diet30s
- Q5All of the following can be told from the fossil record EXCEPT--the environment the organisms lived inthe order in which organisms appearedthe number of organisms that existedthe approximate age of past organisms30s
- Q6Which of the following can be concluded from the evolutionary tree provided?All three species became more complex over time.The common ancestor was most similar to species C.The differences are greatest between species B and C.There is evidence of large gaps in the fossil record.30s