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Eighth Grade (Grade 8) Conservation and Biodiversity Questions

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Grade 8 Conservation and Biodiversity
Grade 8 Conservation and Biodiversity
A species that is unable to reproduce any further will eventually
  1. adapt to its environment
  2. become immune to disease
  3. become extinct
  4. increase its population
Grade 8 Conservation and Biodiversity
Pesticides used by humans have killed many of the herbivores in an ecosystem. What will most likely happen?
  1. The populations of plants will increase, and the populations of carnivores will decrease.
  2. The populations of carnivores will increase, and the populations of plants will decrease.
  3. The populations of both plants and carnivores will decrease.
  4. The populations of both plants and carnivores will increase.
Grade 8 Conservation and Biodiversity
This occurs when a species dies out.
  1. genotype
  2. evolution
  3. heredity
  4. extinction
Grade 8 Conservation and Biodiversity
What is Extinction?
  1. When the breed of a species ends
  2. When an animal is the last of its kind
  3. when the species of an organism ends
  4. none of the above
Grade 8 Conservation and Biodiversity
Which term represents the maximum number of individuals an ecosystem can support?
  1. population density
  2. carrying capacity
  3. succession
  4. habitat
Grade 8 Conservation and Biodiversity
Grade 8 Conservation and Biodiversity
Grade 8 Conservation and Biodiversity
What living organisms determine the health of an ecosystem?
  1. biotic
  2. abiotic
  3. temperature
  4. bio-indicators
Grade 8 Conservation and Biodiversity
Grade 8 Conservation and Biodiversity
Variety and productivity of organisms found in freshwater environments depends upon                                .
  1. depth sunlight reaches
  2. nutrient content and depth
  3. speed of water and oxygen level
  4. all of the above
Grade 8 Conservation and Biodiversity
What are lichens considered?
  1. pioneer species
  2. taiga
  3. animals
  4. aquatic
Grade 8 Conservation and Biodiversity
What organization did Sir Peter Scott found?
  1. WWA
  2. WWF
  3. IUCN
  4. Save the Wildlife
Grade 8 Conservation and Biodiversity
Ecologists measure wildlife populations by                  .
  1. trap-mark-release
  2. biotic potential
  3. carrying capacity
  4. limiting factors
Grade 8 Conservation and Biodiversity
What is the conservation priority of Spix's Macaw?
  1. least concern
  2. vulnerable
  3. endangered
  4. critically endangered
  5. extinct in the wild extinct
Grade 8 Conservation and Biodiversity
Ecologists measure wildlife populations by                  .
  1. trap-mark-release
  2. biotic potential
  3. carrying capacity
  4. limiting factors
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