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Ecology Questions - All Grades

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Grade 3 Food Chains and Webs
A rabbit is a
  1. consumer.
  2. producer.
  3. decomposer.
Grade 7 Conservation and Biodiversity
The number and variety of different species in a given area is                .
  1. biodiversity
  2. community
  3. biotic factors
  4. habitat
Grade 11 Symbiosis
In this type of symbiosis, both organisms benefit from the relationship.
  1. commensalism
  2. mutualism
  3. parasitism
  4. scavenging
Grade 3 Food Chains and Webs
A cow is a herbivore. What does a herbivore eat?
  1. plants
  2. animals
Grade 9 Food Chains and Webs
Which organisms can be found at the first, or lowest, trophic level?
  1. herbivores
  2. carnivores
  3. heterotrophs
  4. autotrophs
Grade 6 Biotic and Abiotic
Biotic factors are the                   in an ecosystem.
  1. nonliving factors
  2. living factors
Grade 7 Biotic and Abiotic
Abiotic defines the living parts of an ecosystem.
  1. True
  2. False
Grade 10 Succession
The first organisms to repopulate an area affected by a volcanic eruption are                  .
  1. pioneer species
  2. primary producers
  3. climax species
  4. keystone species
Grade 3 Communities, Populations, and Ecosystems
The number of a group of the same kind of living things that live in the same place is called a(n)
  1. habitat.
  2. population.
  3. ecosystem.
  4. community.
Grade 3 Conservation and Biodiversity
Species that are in danger of going extinct are called
  1. endangered.
  2. threatened.
  3. fossilized.
Grade 7 Food Chains and Webs
A                 is an organism that makes its own food.
  1. zootrope
  2. consumer
  3. predator
  4. producer
Grade 7 Communities, Populations, and Ecosystems
The place where an animal lives and gets what it needs to survive is
  1. community.
  2. habitat.
  3. environment.
  4. niche.
Grade 4 Conservation and Biodiversity
Which is a cause of habitat destruction?
  1. too many plants
  2. thriving animals
  3. great weather
  4. pollution
Grade 5 Food Chains and Webs
What is an animal that eats a producer?
  1. consumer
  2. decomposer
  3. prey
Grade 6 Symbiosis
What is an animal that hunts and eats other animals?
  1. herbivore
  2. predator
  3. prey
  4. niche
Grade 11 Symbiosis
Which of the following statements is TRUE of parasitism?
  1. One organism benefits, and the other is unaffected.
  2. One organism benefits, and the other is harmed.
  3. One organism benefits, and the other benefits more.
  4. Both organisms are harmed.
Grade 5 Communities, Populations, and Ecosystems
What are the living and nonliving factors in an environment and all their interactions?
  1. community
  2. ecology
  3. food web
  4. ecosystem
Grade 8 Biotic and Abiotic
What is a biotic factor in a prairie dog ecosystem? (Select all that apply.)
  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
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