Which biome covers about 30% of Earth's land surface and is known as 'cold desert'?
Savanna
Tundra
Rainforest
Desert
Which ocean contains the Great Barrier Reef marine biome?
Atlantic Ocean
Indian Ocean
Pacific Ocean
Arctic Ocean
Which famous U.S. National Park is located in the temperate grassland biome?
Yellowstone
Yosemite
Grand Canyon
Everglades
What is the largest tropical rainforest in the world?
Congo Rainforest
Daintree Rainforest
Amazon Rainforest
Borneo Rainforest
What is the largest temperate grassland region in North America?
Great Plains
Prairies
Steppes
Pampas
Which animal is uniquely adapted to survive in the tundra's extreme cold?
Penguin
Polar Bear
Snow Leopard
Arctic Fox
What is the average annual rainfall in tropical rainforests?
100 inches
200 inches
300 inches
400 inches

