Gap Fill - Sharks - Level 4

HOW TO PLAY:

  • Choose the correct word from the drop-down menus below.
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.
  • After this paragraph, go to Paragraph 2.

   already      constantly      corals      existence      mouths      ocean      risk      shells      threat      vulnerable   

Paragraph 1

The climate crisis may be a to the of sharks. The acidification of oceans is decaying sharks' teeth. Scientists know that increasing acidity is damaging and sea creatures with . Biologists looked at whether shark teeth are at similar . Many sharks swim with their open and are exposed to seawater. The researcher concluded that even the teeth of sharks are now to damage.

Now go to   Paragraph 2.

Back to the shark teeth lesson.

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