Gap Fill - Rivers - Level 1


  • 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.

   biodiversity      climate      data      deserts      none      past      reasons      rivers      rivers      seriously  

Paragraph 1

Humans have damaged 86 per cent of the world's . Researchers looked at on over 2,500 rivers, but in the Arctic and Antarctica or in . The scientists looked at changes over the 200 years. Humans have damaged biodiversity in over half of . There are many for this. One reason is new species of fish that are in rivers. Other reasons include pollution, dams and change.

Now go to   Paragraph 2.

Back to the rivers lesson.

Share this lesson

More Free Sites by Sean Banville

Online Activities