Answer: The correct answer is: [C]:
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" comparative embryology " .
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Explanation:
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Consider the information given in the "attached image" in Part 1 to Part 2 to Part 3; for Organisms "A, B, C, D, E" ;.
Then consider the 5 (five) answer choices provided.
These are clearly "embryos" (refer to the illustrations shown in the attached image) being "compared" among 5 (five) different organisms (fish, tortoise, chicken, rabbit, human).
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So; Answer choice: [C]: " comparative embryology "; is the correct answer.
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Consider the other answer choices:
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[A]: "comparative biochemistry". There is no description of —or molecular structures— shown that are related to "biochemistry". We can rule out this choice.
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[B]: "fossil record" . There is no image of sedimentary rock layers or non-conformities— nor are there cross-cutting layers of sedimentary rock layers or descriptions or mention of ages (absolute age or geologic time periods) or types of fossils shown or descriptions of any kind.
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[D]: "biogeographical" . There is no evidence of biogeographical evidence of evidence / even historical (e.g. no maps shown, Wallace's line/ description of location/ any visual or description of spatial or mappable evidence.
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Hope this is helpful to you.
Wishing you the best!
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