Matter and Energy in Ecosystems

A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.

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The cycling of matter is important because

• Matter can be created and destroyed
• Only a limited amount of matter is available so it has to be recycled
• Matter can only be found in a solution
• Bacteria use matter to convert organisms into solar energy

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All the living and nonliving things interacting in a particular area create an ________________.

• ecosystem
• biodome
• playground
• park

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Which of the following is an example of a food producer?

• Human
• Grizzly Bear
• Orca
• Oak Tree

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Which are decomposers ?

• humans
• trees
• red wolves
• worms

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How is the sun a part of a food chain?

• it is eaten
• it is the energy source
• it feeds animals
• it tastes good

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What is a food chain?

• A necklace.
• Jewelry made of food.
• A path showing how energy moves from one living thing to another.
• A life cycle.

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The shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

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What is this called?

• Food Web
• Food Chain
• Abiotic Factors

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Which is the correct sequence to show how organisms live in an environment?

• decomposer-->consumer-->producer
• consumer-->decomposer-->producer
• producer-->decomposer-->consumer
• producer-->consumer-->decomposer

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