read and learn the next key words for this unit and therefore, for the exam.
VERTEBRATES: backbone
MAMMALS: viviparous, milk, live, live babies, hair, fur.
BIRDS: oviparous, eggs, fly, wings, feathers, beak.
FISH: soft eggs, swim, gills, fin, scales.
REPTILES: scales, eggs, breathe lungs, water and land.
AMPHIBIANS: gills and lungs, water and land, eggs.
Try to remember!!
Enjoy and learn!
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