
The Fish-Tetrapod Transition
In Our Time: Science
Eating in Water in Our Land
Water is 800 times more dense than air, so animals that feed in water can take advantage of suction feeding. Animals on land need to take active measures to actually capture their prey and retain it within their mouth as well too. So there are very different ways in which you need to feed on land compared to feeding in water. We see good evidence that they will probably still suction feeding, but they may also have been biting as well.
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