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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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mickey7 mickey7
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11 years ago
Do they differ during development?  I can't seem to find this answer anywhere!
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11 years ago
Well, I would imagine so. After all, one ends up being a shark while the other ends up being a mammal. However, the majority of mammals are placental as far as I know, if that helps.
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ffmr3337ffmr3337
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11 years ago
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