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Underwater Crocodile

A crocodile can stay underwater with its nostril, eye, and throat closed tight. It swims by pushing with its webbed hind feet and sweeping its tail.

In the picture

  1. Badge 1 sits on the closed nostril.
  2. Badge 2 sits on the clear eye membrane.
  3. Badge 3 sits on the closed throat flap.
  4. Badge 4 sits on the webbed hind foot.

Examples

  • A swimmer closes their mouth and wears goggles underwater.
  • A duck’s webbed feet push water to swim.

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Biology, Age 10