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- 1. Multiple ChoiceWhich describes a decomposer?an organism that eats only plantsan organism that makes its own foodan organism that breaks down dead matteran organism that receives energy from the sun
- 2. Multiple ChoiceIn a food chain, the sun provides energy for an apple tree to grow. A deer eats an apple from the tree. Which is a consumer?the treethe applethe sunthe deer
- 3. Multiple ChoiceAn ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?They break down dead organisms to return nutrients to the soil.They produce their own food for survival.They play a role in preventing weathering and erosion.They provide most of the energy to consumers.
- 4. Multiple ChoiceWhich best describes a producer?an organism that gets its energy from plantsa plant that makes its own foodthe sun because it provides energy for plantsan organism that gets its energy from animals
- 5. Multiple Choice
Tyler is classifying organisms according to their source of energy. Based on the food chain pictured, which organism would be considered a carnivore?antbirdmaple leaf - 6. Multiple ChoiceWhat best describes the roles of the organisms pictured in order from left to right?consumer, producer, consumerproducer, decomposer, consumerconsumer, decomposer, consumer
- 7. Multiple ChoiceWhich is the first organism in a food chain?decomposerproducerconsumer
- 8. Multiple ChoiceIn which category are all living things most directly dependent upon the sun for energy?carnivoresproducersherbivoresdecomposers
- 9. Multiple ChoiceHow are consumers and decomposers related?Decomposers provide soil for consumers.Consumers change the sun’s energy so it is useful for decomposers.Decomposers provide food for carnivorous consumers.Consumers provide nutrients for decomposers.
- 10. Multiple ChoiceWhich best describes how decomposers help support life in an ecosystem?Decomposers add nutrients to the soil.Decomposers provide a habitat in the ecosystem.Decomposers add producers to the ecosystem.Decomposers provide energy for consumers.
- 11. Multiple ChoiceWhich best describes the role of a first-level consumer in an ecosystem?Consumers eat scavengers and pass the energy along in an ecosystem.Consumers eat producers and pass the energy along in an ecosystem.Consumers eat decomposers and pass the energy along in an ecosystem.Consumers eat other consumers and pass the energy along in an ecosystem.
- 12. Multiple ChoiceWhich best describes the role of decomposers in an ecosystem?Decomposers eat consumers and pass along energy.Decomposers eat scavengers and pass along energy.Decomposers get energy from the sun to help producers.Decomposers get energy by breaking down decaying matter.
- 13. Multiple ChoiceWhich will most likely cause a decrease in predator populations?an increase in prey populationsa decrease in prey populationsa decrease in decomposersan increase in producers
- 14. Multiple ChoiceWhich is an example of a decomposer?a hawka mousea flowera mushroom
- 15. Multiple ChoiceWhich best explains why producers are an important part of an ecosystem?They pass the Sun’s energy on to other organisms.They pass energy from consumers to decomposers.They make their own energy and pass it on to other producers.They pass energy from first-level consumers to second-level consumers.
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