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Ecology Questions - All Grades

You can create printable tests and worksheets from these 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 Biotic and Abiotic
Grade 3 Communities, Populations, and Ecosystems
An organism is
  1. a nonliving thing
  2. an individual living thing
  3. an animal that eats fruit and meat
  4. none of the above
Grade 9 Food Chains and Webs
Which of the following statements correctly describes an autotroph?
  1. It is an organism that makes its own food.
  2. It is an organism that eats other organisms.
  3. It is an organism that eats decaying matter.
  4. None of the above.
Grade 9 Food Chains and Webs
What is tha producer?
  1. Any organism
  2. Any organism that obtains energy
  3. Any organism that obtains energy from other life forms
  4. Any organism that produces its own food
Grade 9 Symbiosis
Grade 9 Symbiosis
Grade 9 Biotic and Abiotic
Which of these refers to the biotic factors of an ecosystem?
  1. The idea of two dissimilar organisms living together, as in mutualism, commensalism, amensalism, or parasitism.
  2. Any living part of an environment.
  3. A representation of the number of individual organisms in each trophic level of an ecosystem.
  4. An organism that eats only meat.
Grade 4 Communities, Populations, and Ecosystems
An ecosystem is
  1. a place where animals go eat.
  2. a place where animals go to graze.
  3. a community of plants and animals and the physical environment in which they live.
Grade 5 Food Chains and Webs
Imagine that pollution caused all of the plants in an aquatic food chain to die. Would this affect the population of the largest fish?
  1. Yes, because the largest fish need to eat plants to supplement their diet.
  2. Yes, because all the food energy in the chain comes through the plants.
  3. No, because the largest fish are big enough to survive a change in the ecosystem.
  4. No, because only the smallest fish depend on the plants for survival.
Grade 8 Biotic and Abiotic
Select the letter of EACH choice that is a biotic factor in a prairie dog ecosystem.
  1. Grass and other plants that the prairie dog eats
  2. Hawks, ferrets, and other animals that hunt prairie dogs
  3. The soil that provides the prairie dog with a home.
  4. Worms, fungi, and bacteria that also live in the soil.
Grade 3 Food Chains and Webs
Grade 6 Food Chains and Webs
Grade 4 Biomes
This environment covers two-thirds of the planet.
  1. Mountain
  2. Ocean
  3. Desert
  4. Rainforest
Grade 6 Biotic and Abiotic
The biosphere is the part of the earth that contains life. Which of the following is part of the biosphere?
  1. the atmosphere
  2. the earth's surface
  3. part of the earth's crust
  4. the water that covers most of our planet
  5. all of the above
Grade 7 Biotic and Abiotic
A biotic factor is
  1. non-living parts of an ecosystem
  2. weather
  3. living organisms in an ecosystem
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