Insects: have 3 body segments: head, thorax (chest cavity) and abdomen,, have 6 legs, lay eggs, undergo metamorphosis, Birds: have feathers, lay eggs, usually in a nest , have beaks, Amphibians: live on both land and water, lay eggs, usually in water, go through metamorphosis, Mammals: Have fur or hair, Feed babies milk, give birth to live young,

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