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- 1. Multiple ChoiceWhich of the following is an example of a biotic factor in an ecosystem?sunlightstreamrocktree
- 2. Multiple ChoiceAn organism that makes its own food is called aproducerconsumerherbivorecannibal
- 3. Multiple ChoiceThe basis for the energy in an ecosystem is provided byproducersconsumerheterotrophschemosynthesis
- 4. Multiple ChoiceMost producers get energy from the Sun using the process ofcellular respirationchemosynthesisphotosynthesisconsumption
- 5. Multiple ChoiceA model that shows a single sequence of feeding relationships is called atrophic levelfeeding chainfood webfood chain
- 6. Multiple ChoiceDecomposers are important to ecosystems because theyreturn vital nutrients to the ecosystemcapture energy from the Sunare producerscan be omnivores
- 7. Multiple ChoiceA food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). How many trophic levels does this food chain have?onetwothreefour
- 8. Multiple ChoiceFood webs are models that showone sequence of producers and consumers.networks of feeding relationshipsstored energy in food chainsa. only primary consumers in an ecosystem
- 9. Multiple ChoiceThe water cycle, in which water moves from the atmosphere, to the surface, below ground, and back, is also called theCarbon CycleHydrologic CycleBiogeochemical CycleAtom Cycle
- 10. Multiple ChoiceA diagram that shows how available energy is distributed among trophic levels in an ecosystem is called a(n)food pyrmaidpyramid of numbersenergy pyramidfood web
- 11. Multiple ChoiceWhat is a carbon reservoir?Stock of carbon on Earth: 1) in rocks (this includes fossil fuels), 2) dissolved in ocean water, 3) as plants, sticks, animals, and soil (which can be lumped together and called the land biosphere), and 4) as a climate-warming gas in the atmosphere.a natural or artificial process by which carbon dioxide is removed from the atmosphere and held in solid or liquid form.
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