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Biotic and Abiotic Questions - All Grades

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Grade 9 Biotic and Abiotic
Which of these is an abiotic factor?
  1. Cloud cover over an area.
  2. Amount of algae in a pond.
  3. Introduction of new predators in an area.
  4. A virus that spreads among a population.
Grade 6 Biotic and Abiotic
Which factors are abiotic? Select all that apply.
  1. trees
  2. rocks
  3. weather
  4. dirt
  5. animals
  6. flowers
  7. sand
  8. buildings
Grade 9 Biotic and Abiotic
Which of these phrases describes the abiotic factors of an ecosystem?
  1. an environmental factor that tends to limit population size
  2. the nonliving physical or chemical conditions of an environment
  3. a species that lived in one place but that has moved to a new geographic location because of human interference
  4. the complete process by which habitat loss results in the division of large, continuous habitats into a greater number of smaller patches of lower total area
Grade 6 Biotic and Abiotic
Which is the best natural cause of population decline in an ecosystem?
  1. air pollution
  2. disease
  3. pesticide
  4. strip mining
Grade 9 Biotic and Abiotic
Which example shows a relationship between an abiotic and biotic factor in an ecosystem?
  1. An insect is food for a salmon.
  2. Water carries a rock downstream.
  3. A tree removes a gas from the air.
  4. A flower makes food for a butterfly.
Grade 8 Biotic and Abiotic
A drought affects an area. Lack of rain is a(n)                 of the organisms in that area.
  1. limiting factor
  2. adaptation
  3. community
  4. population
Grade 3 Biotic and Abiotic
Which list has only nonliving things?
  1. grasshopper, toad, snake
  2. grass, mushroom, tree
  3. sunlight, water, soil
Grade 11 Biotic and Abiotic
Which of these is a biotic factor?
  1. algae
  2. rocks
  3. sea water
  4. sand
Grade 10 Biotic and Abiotic
What is the part of earth where life exists?
  1. biome
  2. habitat
  3. population
  4. biosphere
Grade 3 Biotic and Abiotic
Living things need food, water, oxygen, and space.
  1. True
  2. False
Grade 9 Biotic and Abiotic
Which feature is an abiotic factor in an ecosystem?
  1. weather
  2. number of predators
  3. number of producers
  4. presence of decomposers
Grade 9 Biotic and Abiotic
Which is not an abiotic factor that affects life in an ecosystem?
  1. water
  2. inorganic nutrients
  3. temperature
  4. food supply
Grade 4 Biotic and Abiotic
What does shade provide for animals?
  1. sunlight
  2. protection
  3. hot temperatures
  4. nutrients
Grade 5 Biotic and Abiotic
The range of conditions in which an organism can survive is its
  1. biotic factor.
  2. controlled experiment.
  3. viability.
  4. range of tolerance.
Grade 10 Biotic and Abiotic
What are the physical, or nonliving components, of an ecosystem called?
  1. biotic factors
  2. antibiotic factors
  3. abiotic factors
  4. temperate conditions
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