Lesson 10 Ecosystem

Which best describes an ecosystem?

• a system where living and nonliving things interact
• a place where there is always rain, soil, sunlight, and air
• anywhere there is only one kind of organism
• a system where populations stay the same

Which of the following is an example of a living part of an ecosystem?

• Air
• Water
• Sunlight
• Plants

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In which type of ecosystem is the ground beneath the surface frozen all year?

• wetland
• snow pack
• tundra
• desert

Animals that only eat plants are called:

• omnivores
• carnivores
• producers
• herbivores
  

Which of the following is a producer?

• dog
• hawk
• deer
• grass

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Which type of ecosystem is made up of swamps and marshes?

• deciduous forest
• desert
• prairie
• wetlands

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When two or more living things need each other to survive, they are:

• symbiotic
• in competition
• consumers
• prey
  

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Which of these things are passed along in a food chain?

• herbivores
• ecosystems
• energy and matter
• air and sunshine

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Which type of ecosystem is made up of grasslands and small shrubs?

• prairie
• wetlands
• desert
• deciduous forest

What is a decomposer?

• the waste of dead animals and plants
• a consumer that gets energy by eating only plants
• a dead animal or plant
• an organism such as an earthworm or mushroom that eats the remains of animals

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