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Sixth Grade (Grade 6) Conservation and Biodiversity Questions

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Grade 6 Conservation and Biodiversity
The vast majority of extinctions are the result of                   .
  1. habitat loss
  2. temperature change
  3. natural disasters
  4. humans
Grade 6 Conservation and Biodiversity
What are three types of biodiversity?
  1. species, genetic, and ecosystem
  2. mutation, disorder, regression
  3. genes, cells, traits
  4. water, land, mountains
Grade 6 Conservation and Biodiversity
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 may have no natural predators.
  4. It might mutate.
Grade 6 Conservation and Biodiversity
Which of these are factors that affect biodiversity in an ecosystem?
  1. area
  2. climate
  3. genetic diversity
  4. diversity of niches
  5. all of the above
  6. none of the above
Grade 6 Conservation and Biodiversity
How are specialized breeds of dogs, cats, horses, and other animals produced?
  1. regeneration
  2. asexual reproduction
  3. selective breeding
  4. budding
Grade 6 Conservation and Biodiversity
What is a blackberry bush called that does not allow native plants to grow?
  1. a good thing
  2. an invasive plant
  3. a native plant too
  4. a freelance plant
Grade 6 Conservation and Biodiversity
Grade 6 Conservation and Biodiversity
What are the best examples of a keystone species?
  1. dogs and cats
  2. elephants and giraffes
  3. beavers and prairie dogs
  4. pigs and horses
Grade 6 Conservation and Biodiversity
Which of the following is an effect of of drought that is likely to lead to the extinction of a species of grazing animals?
  1. Reduced prey populations.
  2. Increased volcanic activity
  3. Decreased plant growth
  4. Increased predator populations
Grade 6 Conservation and Biodiversity
The gecko is a small reptile that would appear to be an easy target for larger animals that are predators. What will most likely help the gecko survive in its environment?
  1. Its ability to grow a new tail
  2. Its ability to change colors
  3. Its ability to bite predators
  4. Its ability to search for food
Grade 6 Conservation and Biodiversity
Which of the following represent a symbiotic relationship that would most likely be found in a forest?
  1. Fungus and algae
  2. Acacia tree and ants
  3. Redwood tree and moss
  4. Oak tree and lichens
Grade 6 Conservation and Biodiversity
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