Fish - they breathe through gills, Amphibians - _________ have smooth, moist, skin, Invertebrates - they DON'T have a spine, Birds - Mammals and ______ are both warm-blooded, Reptiles - their eggs have a leathery texture, Mammal - what vertebrates are humans?, Vertebrates - they have a spine, ninety five - There are ___________ percent of invertebrates in the world,

Vertebrates

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