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5 Cards in this Set
- Front
- Back
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Mammals |
-4 Pendtadactyl limbs -Lungs with alveoli (gas exchange) -Internal fertilization, give birth to live young, mammary glands secrete milk (reproduction) -Hairs frowing from the skin, teeth include living tissue |
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Birds |
- 4 Pentadactyl limbs, 2 limbs are modified as wings. -Lungs with parabronchial tubes -Internal fertilisation, Hard shells aroudn the eggs. -Feathers growing from skin, beak but no teeth |
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Reptiles |
- 4 Pentadactyl limbs. - Lungs with extensive folding. -Internal fertilization, Soft shells around eggs. -Dry scaly impermeable skin, Simple teeth - no living tissue |
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Amphibians |
- 4 Pentadactyl limbs -Simple lungs with small internal folds and moist surfaces -External fetilization in water -Protective jelly around eggs -Larval stage lives in water -Soft moist permeable skin |
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Fish |
-Fins -Gills -External fertilization in most species -Scales grow from the skin with a single gill slit, swim bladder for buoyancy |
