New Mexico NM-ASR Science Grade 8 Practice Questions - New Mexico Assessment Of Science Readiness - Science, Grade 8 Exam

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Scientists study embryonic development and find that early embryos of fish, chickens, and humans all have tails and gill pouches. Which conclusion is best supported by this observation?

These vertebrates share a common ancestor and show similar early developmental stages Fish, chickens, and humans are the same species Embryos do not develop similarly in different organisms The similarities are unrelated to evolution

Correct Answer:

These vertebrates share a common ancestor and show similar early developmental stages

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