Class V

By what factors are biomes defined/classified? Check all that apply.
  1. climate
  2. leaf types
  3. plant structures
  4. All of these
Tundra is the coldest of all the biomes. Which of the following are characteristics of tundra biomes? Check all that apply.
  1. extremely cold climate
  2. high biotic diversity
  3. limitation of drainage
  4. short season of growth and reproduction
There are TWO fundamental classifications of biomes. They are: 1. Terrestrial (land) biomes and 2. ___________________
  1. Space biomes
  2. Amphibious biomes
  3. Aquatic biomes
  4. None of the above
A biome is a CLIMATIC and geographically defined area that contains ecologically similar plants, animals and soil organisms. These areas of communities with ecologically similar characteristics are called _____________.
  1. ecosystems
  2. ecosystems
  3. ecosystems
  4. vegetation
Why are freshwater and marine biomes the most important of all biomes?
  1. They are the biggest biomes.
  2. They have the most varied species.
  3. They have water which is essential to human life. They also have the ability to keep the temperature constant in the atmosphere.
  4. They are the least damaged biomes.
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