Gap Fill - Life on Earth - Level 5


  • 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.

   according      biomass      carefully      comprehensive      form      fraction      greatly      just      less      livestock      look      loss      mammals      mostly      percentage      plant      ratios      role      shocked      wild  
Humans are only a tiny of all life on Earth, but have destroyed 83% of all wild and half of our life. This is to a new study from Israel. The ground-breaking report is the first into the weight of every kind of creature and life on Earth. Researcher Professor Ron Milo explained what started the research. He said: "I was to find there wasn't already a , holistic estimate of all the different components of ." He hopes the study will provide a perspective on the very dominant that humans now play on Earth.

There are 7.6 billion people on Earth, which is 0.01% of all living things. This is the same as for termites. Since we began walking on this planet, we have managed to cause the of most of its living species. Humans have also changed the of livestock to wild animals. Today, farmed birds ( chickens) make up 70% of all birds on Earth. Similarly, 60% of all mammals on Earth are (mostly cattle and pigs), while just 4% are animals. Professor Milo hopes people will look more at what they consume, and eat meat.

Try the Life on Earth - Level 6 gap fill.

Back to the life on Earth lesson.

Share this lesson

More Free Sites by Sean Banville

Online Activities