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Evolutionary Connections
Questions (2)
Human embryos have tails, which become tail bones before birth. Tails also appear in fish, reptiles, amphibians, birds, and
1 answer
asked by
ok
127 views
Human embryos have tails, which become tail bones before birth. Tails also appear in fish, reptiles, amphibians, birds, and
1 answer
asked by
o
51 views
Subcategories (2)
Humans and other mammals
Mammals and Reptiles
Parent Categories (1)
Biology
