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Slide 1

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Classification ­ B2 OCR Gateway Science ­ Characteristics; watch as slide show
Mammals..
- Have spines (vertebrate)
- Have hair or fur
- give birth to live young
- mammal mothers nurse their young with milk
- have lungs and need air to breathe
- mammals that live on land have for legs and ears that stick out
- are warm-blooded
Reptiles...
- Have spines (vertebrate)
- have scales, not fur
- have dry skin
- usually lay eggs. Sometimes give birth to live young
- have ear holes instead of ears
- have fours legs or no legs
- are cold-blooded
Birds
- have spines (vertebrate)
- have feathers and wings
- lay eggs
- have two legs
- have ear holes instead of ears
- are warm-blooded…read more

Slide 2

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Classification ­ B2 OCR Gateway Science ­ Characteristics; watch as slide show
Amphibians...
- have spines (vertebrate)
- have moist, smooth skin (no hair or fur)
- lived on land and water
- have webbed feet
- breathe with lungs and fills
- have four legs (sometimes none)
- lay many eggs
- are cold-blooded
Insects...
- have hard outer covering called an exoskeleton (invertebrate)
Thank you, by Salleha Khan
- have a body that is divided into three pars (head, thorax, and abdomen)
- have six jointed legs
- live on land and in water
- usually have antennae to hear, touch, taste and smell
- usually have four wings
- usually lay eggs, sometimes give birth to live young
- are cold-blooded…read more

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