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Biotic and Abiotic Factors Quiz (Grade 7) (Grade 7)

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Biotic and Abiotic Factors Quiz (Grade 7)

Instructions: Encircle the letter of the correct answer for each question.

What are biotic factors?
  1. Earth's weather and climate.
  2. Non-living parts of an ecosystem.
  3. Living organisms in an ecosystem.
Which of the following is an abiotic factor?
  1. bacteria
  2. lion
  3. plant
  4. tiger
  5. water
Abiotic defines the living parts of an ecosystem.
  1. True
  2. False
Which of the following subsystems of the Earth contains plants and animals?
  1. atmosphere
  2. biosphere
  3. hydrosphere
  4. lithosphere
Why is a dead tree still considered as a biotic factor in the ecosystem?
  1. It gives fertilizer.
  2. It once lived.
  3. It makes work easier.
  4. It provides shade to living things.
What do you call the living or once-living parts of the environment, such as the trees, bushes, and lions of the savanna?
  1. abiotic factors
  2. biotic factors
  3. biosphere
  4. ecological factors
What are the nonliving parts of the ecosystem such as water, dirt, and air called?
  1. abiotic factors
  2. biomes
  3. biotic factors
  4. ecological factors
A                      is any biotic or abiotic factor that limits the number of individuals in a population.
  1. determination
  2. limiting factor
  3. natural selector
  4. populous determinant
Predators are                 factors that limit the size of prey population.
  1. abiotic
  2. biotic
  3. chemical
  4. physical
Temperature, sunlight, air, water, soil, and climate are all                 factors of an ecosystem.
  1. abiotic
  2. biotic
  3. boreal
  4. living

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