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- 1. Multiple ChoiceHow are the living creatures in an ecosystem linked?by what they eatby how they breatheby their sizeby their species
- 2. Multiple ChoiceWhat can you INFER from the fact that the disappearance of just one species can disrupt an entire food chain?Every food chain depends entirely on a single speciesFood chains are extremely fragileFood chains can regenerate on their ownFood chains would not exist without humans
- 3. Multiple ChoiceHow is a food web different from a food chain?Food webs contain only producers, not consumersFood webs do not include decomposersFood webs contain many different, linked food chainsFood webs exist in aquatic environments; food chains exist in terrestrial (land-based) environments
- 4. Multiple Choice
Which of these is a producer?abcd - 5. Multiple ChoiceThrough what process do producers make their own food?ParthenogensisPhotosynthesisMeiosisMitosis
- 6. Multiple ChoiceWhat role do you play in the food web?producerconsumerdecomposerhuman
- 7. Multiple ChoiceHow might a lack of sunlight disrupt the food web?It would cause consumers to consume lessIt would prevent decomposers from decomposing matterIt would prevent producers from producing nutrientsIt would not disrupt the food web at all
- 8. Multiple ChoiceHow are primary consumers (PC) different from secondary consumers (SC)?PC eat only plants; SC eat other consumersPC eat other consumers; SC eat only plantsPC eat plants and other consumers; SC eat plants and decompose matterPC eat plants and decompose matter; SC eat plants and other consumers
- 9. Multiple ChoiceThis organism is most likely a:primary consumersecondary consumerdecomposerproducer
- 10. Multiple ChoiceSheep are herbivorous. What can you INFER from this?They are primary consumersThey are producersThey are secondary consumersThey are decomposers
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