A) individual B) consumer C) producer D) organism
- 2. One single organism. For example, one bear:
A) community B) population C) individual D) producer
- 3. All the individuals of one kind (one species) in a specified area at one time. For example, ten fish.
A) population B) food pyramid C) ecosystem D) community
- 4. All the living interacting populations in a specified area. For example, bear and fish:
A) food web B) ecosystem C) community D) population
- 5. A system of interacting organisms and nonliving factors in a specified area. For example, bear, fish and a stream:
A) community B) population C) food chain D) ecosystem
- 6. Living organisms and products of organisms:
A) abiotic B) ecosystem C) community D) biotic
- 7. Nonliving (rocks, water):
A) community B) abiotic C) biotic D) ecosystem
- 8. A sequence of organisms that eat one another in an ecosystem (algae --> fish --> bird):
A) food pyramid B) food chain C) food web D) community
- 9. All the feeding relationships in an ecosystem:
A) food web B) food chain C) ecosystem D) food pyramid
- 10. A kind of trophic-level diagram in the shape of a triangle in which the largest layer at the base is the producers with the first-level, second-level, and third-level consumers in the layers above:
A) food pyramid B) ecosystem C) food web D) food chain
- 11. An organism that is able to produce its own food through photosynthesis:
A) producer B) carnivore C) decomposer D) consumer
- 12. An organism that eats other organisms:
A) autotroph B) producer C) consumer D) population
- 13. The first level of consumers:
A) secondary consumers B) detrivore C) primary consumers D) producer
- 14. The second level of consumers:
A) primary consumers B) producer C) detrivore D) secondary consumers
- 15. An organism that consumes parts of dead organisms and transfers all of the biomass into simple chemicals:
A) producer B) decomposer C) carnivore D) herbivore
- 16. An organism that make its own food:
A) carnivore B) autotroph C) primary consumers D) secondary consumers
- 17. An organism that cannot make its own food and must eat other organisms:
A) herbivore B) autotroph C) heterotroph D) population
- 18. The process by which producers make energy-rich molecules (food) from water and carbon dioxide in the presence of light:
A) biomass B) detritus C) photosynthesis D) trophic levels
- 19. Functional role in a feeding relationship through which energy flows (i.e., producer, consumer, decomposer):
A) trophic levels B) biomass C) herbivore D) detritus
- 20. The total organic matter in an ecosystem:
A) photosynthesis B) food chain C) biomass D) herbivore
- 21. Small parts of organic material:
A) food chain B) herbivore C) detritus D) photosynthesis
- 22. An organism that eats detritus, breaking the organic material into smaller parts that a decomposer could use for food:
A) herbivore B) detrivore C) food chain D) photosynthesis
- 23. An organism that eats only meat:
A) herbivore B) detrivore C) omnivore D) carnivore
- 24. An organism that eats only plants:
A) herbivore B) carnivore C) omnivore D) detrivore
- 25. A consumer that eat both plants and animals:
A) detrivore B) herbivore C) carnivore D) omnivore
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