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This document outlines the five main classifications of animals: birds, mammals, fish, reptiles, and amphibians. Each group is defined by unique characteristics. Birds possess feathers, are warm-blooded, and lay hard-shelled eggs. Mammals also heat their bodies internally, have hair, and some (like whales) live in water. Fish are exclusively aquatic, most have scales, and are cold-blooded with shell-less eggs. Reptiles breathe through lungs, are cold-blooded, and lay leathery eggs. Lastly, amphibians are cold-blooded creatures that breathe through gills and have moist skin during their life stages.
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By : Mark Williams 5 parts of classification
1.birds • they have feathers on there body • They are warm blooded • They lay hard shelled eggs
2.mammmals • They are warm blooded • They all have hair • Some live in water
3.fish • They all live in water • Most fish have scales • Most fish lay eggs without shells • The are all cold blooded
4.reptiles • They are cold blooded • They lay leathery eggs • They breath through lungs to get air
5.amphibians • They are cold blooded • They get oxygen from gills • They have moist skin