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Seventh Grade (Grade 7) Conservation and Biodiversity Questions

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Grade 7 Conservation and Biodiversity
Grade 7 Conservation and Biodiversity
Grade 7 Conservation and Biodiversity
What problems may moving beavers into the wetlands cause?
  1. Beavers may kill all of the plants providing oxygen
  2. Beavers may destroy underground pipes and farmland
  3. Beavers may flood homes
  4. Both b and c
Grade 7 Conservation and Biodiversity
How do scientists think that beavers can help stop droughts in California?
  1. They can drink all the river water
  2. Their large bodies can shield the sun, so water doesn't evaporate
  3. They can control the population of water plants, which cause droughts.
  4. They can build dams, which can help streams flow
Grade 7 Conservation and Biodiversity
If a species dies out, it is said to be:
  1. mutated
  2. varied
  3. adapted
  4. extinct
Grade 7 Conservation and Biodiversity
When did California use beavers to prevent erosion?
  1. In the mid 1800s
  2. Throughout all of the 1900s
  3. From the 1920s to the 1940s
  4. None of the above
Grade 7 Conservation and Biodiversity
Why are people suddenly becoming interesting in beavers?
  1. Recently, beaver soup has become popular in the West
  2. They restore wetland habitats cheaply and easily
  3. They can create small ponds, which people like to visit
  4. They control the population of water plants, which soak up water
Grade 7 Conservation and Biodiversity
What does SAV stand for?
  1. Submerged Aquatic Vegetation
  2. Salty Away Vegetables
  3. Soaked Aquatic Vegetation
  4. Submerged Aquatic Plants
Grade 7 Conservation and Biodiversity
Which of the following is an effect 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 7 Conservation and Biodiversity
Grade 7 Conservation and Biodiversity
How do laws help endangered animals?
  1. Laws protect animals' habitats.
  2. Laws prevent people from hunting endangered animals.
  3. Laws prevent pollution of water and air.
  4. All of the above.
Grade 7 Conservation and Biodiversity
What does the "H" stand for as one of the main causes of biodiversity loss?
  1. Hydrosphere
  2. Habitat loss and fragmentation
  3. Hibernation
  4. Humidity
Grade 7 Conservation and Biodiversity
What does the "O" stand for as one of the main causes of biodiversity loss?
  1. Overgrazing
  2. Overconsumption
  3. Ozone depletion
  4. O Horizon
Grade 7 Conservation and Biodiversity
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