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| C. The ecological transition – aquatic to |
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| terrestrial |
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| 1. Weight bearing |
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| 2. Prey capture and handling |
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| - buccal suction (fishes); prey seizing, or use |
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| of tongue (amphibians) |
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| 3. Respiration |
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| 4. Sensing the environment |
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| - eyes,ears |
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| 5. Excretion/Osmotic regulation |
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