May 1, 1989
1 min read
Marsupial Frogs
Some tropical frogs incubate eggs on the mother's back, often in a special pouch. Certain features of the adaptation recall pregnancy in mammals and the eggs and embryos of birds; others are unique
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May 1, 1989
1 min read
Marsupial Frogs
Some tropical frogs incubate eggs on the mother's back, often in a special pouch. Certain features of the adaptation recall pregnancy in mammals and the eggs and embryos of birds; others are unique