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Sixth Grade (Grade 6) Ecology Questions

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Grade 6 Communities, Populations, and Ecosystems
What are all the different living and nonliving things in an area?
  1. biome
  2. abiotic factors
  3. ecosystem
  4. predator
Grade 6 Communities, Populations, and Ecosystems
What is carrying capacity?
  1. amount of biomass in a habitat
  2. amount of producers in a habitat
  3. number of organisms an area's resources can keep alive
  4. number of babies an organism can produce in a year
Grade 6 Biotic and Abiotic
Which word is used to describe something living in the biosphere?
  1. biotic
  2. abiotic
  3. fauna
Grade 6 Food Chains and Webs
This level in the food chain pyramid eats plants.
  1. decomposer
  2. herbivore
  3. carnivore
  4. producer
Grade 6 Communities, Populations, and Ecosystems
Why can introducing an exotic organism to an ecosystem be harmful?
  1. It might be a threatened species.
  2. It might die out.
  3. It might have no natural predators.
  4. It might mutate.
Grade 6 Food Chains and Webs
This level of in the food chain pyramid eats meat.
  1. decomposer
  2. producer
  3. herbivore
  4. carnivore
Grade 6 Ecology
The stages of an organism's growth and development are its
  1. life expectancy.
  2. life span.
  3. life cycle.
Grade 6 Communities, Populations, and Ecosystems
Which term defines the role of an organism in an ecosystem?
  1. prey
  2. niche
  3. biotic factor
  4. omnivore
Grade 6 Communities, Populations, and Ecosystems
What is a group of individuals of the same species that are living in a particular area at the same time?
  1. system
  2. population
  3. organization
  4. consumer
Grade 6 Food Chains and Webs
This level of the food chain pyramid returns nutrients back to the soil.
  1. decomposer
  2. producer
  3. consumer
Grade 6 Food Chains and Webs
If there were no decomposers in a forest, which statement best describes how trees would be affected?
  1. Trees would stop growing because their roots would have no water.
  2. Tree would not get sick because there would be no germs in water.
  3. Trees would keep growing forever because they would never rot.
  4. Trees would die because the soil would run out of important nutrients.
Grade 6 Biomes
What are the two types of tundra biomes?
  1. permafrost and extract
  2. arctic and alpine
  3. frozen and thawed
  4. covered and uncovered
Grade 6 Biomes
Which sphere of Earth's system includes trees, grass, and squirrels?
  1. hydrosphere
  2. geosphere
  3. atmosphere
  4. biosphere
Grade 6 Food Chains and Webs
Which statement about animals is true?
  1. They are decomposers.
  2. They are autotrophs.
  3. They are consumers.
  4. They are producers.
Grade 6 Ecology
The                 is the sphere inhabited by life.
  1. biosphere
  2. geosphere
  3. atmosphere
  4. hydrosphere
Grade 6 Ecology
The biosphere is the part of Earth that
  1. can support living things.
  2. is land.
  3. is living.
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