Ecosystems and Biomes
1. What do we call the relationship in which things work together and depend on
each other to exist?
A) ecosytem
B) biome
C) symbiosis
2. What characterizes a biome?
A) its rainfall levels
B) its dominant organisms and its climate
C) its size
3. What is permafrost?
A) permanently frozen ground
B) extreme cold that can strike unexpectedly in temperate climates
C) a hairdressing product
4. In which biome do you find trees that lose their leaves in autumn?
A) tundra
B) coniferous forest
C) deciduous forest
5. All deserts are ______.
A) hot
B) dry
C) fertile
6. What is a savannah?
A) hot, tropical grassland
B) cool, temperate grassland
C) African desert region
7. What have grasslands been turned into in many places?
A) deserts
B) permafrost
C) farms
8. Which biome covers most of the earth?
A) desert
B) rainforest
C) aquatic biome
9. In which biome do almost half of the earth's plant and animal species live?
A) desert
B) rainforest
C) aquatic biome
10. Where is the largest temperate rainforest found?
A) on the Pacific Coast
B) in South America
C) in the African savannah