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Ninth Grade (Grade 9) Ecology Questions

You can create printable tests and worksheets from these Grade 9 Ecology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 9 Biogeochemical Cycles
What is the recycling of chemical elements throughout an ecosystem called?
  1. Energy
  2. Phosphorous Cycle
  3. Biogeochemical Cycle
  4. Tropic Level
Grade 9 Biotic and Abiotic
Grade 9 Food Chains and Webs
Grade 9 Conservation and Biodiversity
If fish are caught faster than they can breed, what will happen to the population?
  1. decrease
  2. move to other waters
  3. remain the same
  4. increase
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Conservation and Biodiversity
Grade 9 Biotic and Abiotic
Which is a biotic factor operating within an ecosystem?
  1. the type of climate in a given region
  2. the carnivores that consume other animals
  3. the amount of helium gas in the air
  4. the rate of flow of water in a river
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Symbiosis
Grade 9 Food Chains and Webs
What is the ultimate source of energy in any food chain?
  1. producers
  2. consumers
  3. decomposers
  4. the sun
Grade 9 Biotic and Abiotic
Which of the following is NOT an abiotic factor?
  1. moisture
  2. air currents
  3. predators
  4. temperature
  5. light
Grade 9 Food Chains and Webs
Grade 9 Communities, Populations, and Ecosystems
Which of the following is a good example of a limiting factor in an ecosystem?
  1. an organism with no natural preditors
  2. an ecosystem with little to no rain
  3. an ecosystem with an abundance of nutrients
  4. an ecosystem with plenty of space for population growth
Grade 9 Communities, Populations, and Ecosystems
A limiting factor that depends on population size is called?
  1. limiting factor
  2. density-dependent limiting factor
  3. completion limiting factor
  4. prediction limiting factor
Grade 9 Food Chains and Webs
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