The diaphragm is the large flat muscle. hope that helps :)
In the early stages the embryos of four different species will look the same .For example, fish embryos and human embryos both have gill slits. In fish they develop into gills, but in humans they disappear before birth. That what makes them different.
Answer:
A or 3 (Wether wich one is on your test) I TOOK THE TEST
Ill take brainliest
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Explanation:
i took the test :D
Answer:
it illustrated natural selection because the most favorable traits live longer than the unfavorable traits.
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