Animals that develop in the body of the mother., viviparous, oviparous, Animals that develoo in an egg, viviparous, oviparous, oviparous, viviparous, oviparous, viviparous, Animals that have a backbone or internal skeleton., invertebrates, vertebrates, Animals that don't have a backbone or internal skeleton., vertebrates, invertebrates, invertebrate, vertebrate, vertebrate, invertebrate, vertebrate, invertebrate, mammal, fish, amphibian, reptile, oviparous, bird, viviparous, bird, oviparous, reptile, oviparous, amphibian, viviparous, vertebrate, fish, oviparous, vertebrate, fish, oviparous, invertebrate, fish, oviparous, invertebrate

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