Matter and Energy in Ecosystems (Part 2)
Quiz by Heather Murphy [White MS]
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13 questions
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- Q1What is a network of food chains representing feeding relationships among organisms in an ecosystem called?Food WebFood ChainBiomass ChainFood Network30s
- Q2What is a series of organisms that transfer food/energy between the trophic levels of an ecosystem called?Food ChainFood WebBiomass ChainFood Network30s
- Q3This is the total amount of organic matter present in a trophic level.EcosystemBiomassTrophic MatterFood Chain30s
- Q4What is the diagram above called?Food WebEnergy PyramidBiomass ChainEnergy Web30s
- Q5Which of the following is an example of a primary consumer?A snake that eats mostly miceA bird that eats mostly fishA plant that makes its own foodA cow that eats mostly grass30s
- Q6Primary consumers are carnivores.TrueFalse30s
- Q7Why is so much energy lost as you move to higher and higher levels on a food chain?All of the above are true.None of the above are true.Some material cannot be digested, and some energy is consumed by cellular metabolic processes.Some energy is stored as fat.30s
- Q8What makes food webs more accurate than food chains?Many organisms eat at multiple trophic levels.Food chains do not include all trophic levels.Energy is not lost from a food chain, but it is lost from a food web.All of these answers are correct.30s
- Q9Which food chain correctly describes the flow of energy in an ecosystem?leaf --> bird --> caterpillarcow --> grass --> humancaterpillar --> leaf --> humangrass --> cow --> human30s
- Q10How do decomposers help other organisms in an ecosystem?They help disperse seeds for plant growth.Decomposers do not help other organisms in any way.They break down dead organisms and add nutrients back to the soil that plants use.They use the sunlight to make their own food that other organisms eat for energy.30s
- Q11Which organism in the diagram above is a secondary consumer?GrasshopperOwlMouseSnake30s
- Q12Which organism in the diagram above is a tertiary consumer?MouseGrassSnakeOwl30s
- Q13How much energy is passed on from one trophic level to another in an ecosystem?80%20%90%10%30s
