UNIT 2
VERTEBRATES (with spine)
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MAMMALS Have got hair or fur
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BIRDS Have got feathers
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FISH Have got scales
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Have got legs
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Have got two legs and two wings (Can Fly)
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Have got fins and a tail
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Have got lips and teeth
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Have got a beak and haven’t got any teeth
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Breathe through gills
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Breathe through lungs
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Breathe through lungs
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Lay eggs. External fertilization
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Don’t lay eggs
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Lay eggs. Internal fertilization
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Body temperature changes (cold blooded)
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Have got breast
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Body temperature doesn’t change (warm
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Body temperature doesn’t change (warm
blooded) blooded)
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REPTILES Have got scales Have got short legs (snake- hasn’t got legs)
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Breathe through lungs
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Lay eggs. Internal fertilization
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Body temperature changes ( cold blooded)
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AMPHIBIANS Have got moist skin
VOCABULARY
WING – ala FIN – aleta Have got four legs TAIL – cola, rabo LUNGS – pulmones Breathe : first through gills then through GILLS – branquias lungs/ skin BREATHE – respirar THROUGH – a través de Body temperature changes ( cold blooded) WARM/ COLD BLOODED- sangre caliente/FRÍA FEATHER- pluma FUR – cuero Lay eggs. External fertilization SKIN – piel LAY - poner Metamorphosis SPINE – columna vertebral MOIST-mojado METAMORPHOSIS - metamorfosis