AnswersCV Q4 MJ Science 3 Adv 2002110 Compacted Review of Grade.7.Life for SSA PrepThe Fossil Record
Evidence for Evolution Answers
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Which are accurate descriptions of comparative anatomy? Select three options.may or may not include studies of structures with the same functiononly involves studies of structures that are on the outer surface of the bodycompares the structures of organisms from different speciesalways supports the concept of a recent common ancestorincludes studies of homologous, vestigial, and analogous structures
A
may or may not include studies of structures with the same functionB
only involves studies of structures that are on the outer surface of the bodyC
compares the structures of organisms from different speciesD
always supports the concept of a recent common ancestorE
includes studies of homologous, vestigial, and analogous structures2
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The diagram shows a chicken embryo and a human embryo.
A
Because their embryos have tails, chickens and humans do not likely share a common ancestor with fish.B
Because their embryos have structures similar to gills, chickens and humans likely share a common ancestor with fish.C
Chickens and humans have homologous structures as embryos, so they are not likely related to each other.D
Chickens and humans have homologous structures as embryos, so they are not likely related to any other organisms.3
Embryos of different species look very similar, which shows that the organisms share a ancestor.
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4
The diagram shows the structures of horse and cat forelimbs.
A
They have homologous structures, indicating a common ancestor.B
They have analogous structures, indicating a common ancestor.C
They have homologous structures, indicating that they do not have a common ancestor.D
They have analogous structures, indicating that they do not have a common ancestor.5
Which traits do human embryos have that link them to a common ancestor with fish and reptiles?
A
scales and tailB
gill slits and scalesC
tail and gill slitsD
hair and tailDid you find these answers helpful?
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