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Seventh Grade (Grade 7) Succession Questions

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Grade 7 Succession
The normal gradual changes that occur in the types of species that live in an area is
  1. respiration.
  2. succession.
  3. biotic factors.
  4. abiotic factors.
Grade 7 Succession
What are the two types of ecological succession?
  1. primary and secondary
  2. abiotic and biotic
  3. plant and animal
  4. erosion and deposition
Grade 7 Succession
What factors change in ecological succession?
  1. plants and rocks
  2. animals and soil
  3. plants only
  4. animals and plants
Grade 7 Succession
What is ecological succession?
  1. decrease of population over time
  2. change of water levels over time
  3. increase of wind speed over time
  4. decrease and increase of diversity in a population over time
Grade 7 Succession
What occurs during ecological succession?
  1. loss of only plants from an ecosystem
  2. gain of snow in an environment
  3. loss and gain of plants and animals in an environment
  4. the gain of only animals in an environment
Grade 7 Succession
Grade 7 Succession
Grade 7 Succession
What is equilibrium?
  1. disruption in an ecosystem
  2. balance in an ecosystem
  3. plants and animals interacting
  4. none of the above
Grade 7 Succession
Grade 7 Succession
What event or situation can lead to primary succession in a forest?
  1. asexual reproduction
  2. forest fire
  3. little wind
  4. more vegetation
Grade 7 Succession
Secondary succession occurs when
  1. everything is dead.
  2. everything is living and how it should be.
  3. there is little but still some plant life.
  4. the environment is gone to extinction.
Grade 7 Succession
Primary succession occurs
  1. before secondary succession, when an environment is fully developed.
  2. before secondary succession, when the environment is developing.
  3. after secondary succession, when an environment is fully developed.
  4. at the same time as secondary succession, when the environment is still developing.
Grade 7 Succession
How does succession affect the new plants and animals?
  1. It makes them less adapted to the environment.
  2. It makes them easier to kill.
  3. It makes them more adapted to the environment.
  4. It makes all of them extinct.
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