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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
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
If a species is no longer able to reproduce, it will                         .
  1. adapt to its environment
  2. become immune to disease
  3. become extinct
  4. increase its population
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
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
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
Al-Kindi was a philosopher who wrote about the contaminating effects of pollutants on water and soil. When did he live?
  1. 8th century CE
  2. 9th century CE
  3. 8th century AD
  4. 9th century AD
  5. 8th century BC
  6. 9th century BC
  7. 10th century BC
  8. 10th century CE
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
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
What animals are listed in the book as near threatened? (hint: there are more than one)
  1. European Otter
  2. Kirk's Dik-dik
  3. Golden Toad
  4. Manta Ray
  5. Thylacine
  6. Hawaiian Goose
Grade 8 Conservation and Biodiversity
What are lichens considered?
  1. pioneer species
  2. taiga
  3. animals
  4. aquatic
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
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