Gap Fill - Human Teeth - 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.

   ancient      difficult      fossil      humans      million      rock      similar      species      strongest      today  

Paragraph 1

Researchers from Sweden have found how got teeth. They say human teeth "first evolved 400 years ago" from an fish. They studied a of the fish. It was to study because the fish is inside . They used the X-ray machine in the world to look at the fish. They found that the fish's teeth were very to human teeth. Humans and 60,000 of vertebrates on Earth come from this fish.

Now go to   Paragraph 2.

Back to the human teeth lesson.

Share this lesson

More Free Sites by Sean Banville

Online Activities