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The top documents tagged [vertebrates amphibians]
Amphibians
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Gas Exchange: Animals. Cellular Respiration All living things obtain the energy they need by metabolizing energy-rich compounds, such as carbohydrates
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Aquatic Fauna-rama. Cent. Amer. Freshwater Fauna: Fishes “Primary” Freshwater Fishes (low salinity tolerance) Characins (Tetras) Catfishes (especially
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Animals in Schools – why and how?
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