Science Minor #4 - Unit 11 Review

Food webs like the one in the picture show the cycling of matter and the flow of energy. What is the primary source of energy for all living organisms?

• Air

• Soil

• Sunlight

• Plants

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How does the energy and food matter move from the producers to the fox in this food web?

• The rabbit eats the grasses and seeds, and the fox eats the rabbit.

• The rabbit eats the grasses and seeds, the owl eats the rabbit, and the fox eats the owl.

• The owl eats the grasses and seeds, the rabbit eats the owl, and the fox eats the rabbit.

• The mice eat the grasses and seeds, the owl eats the mice, and the fox eats the owl.

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How does the grass help matter cycle through the ecosystem?

• It gets matter from plants.

• It gets matter from animals.

• It breaks down the remains of dead organisms.

• It passes matter to animals.

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This food web has mushrooms but needs arrows to show how matter and energy move. Where should the arrows for the mushrooms go in this food web? Select TWO correct answers.

• Draw an arrow from the owl to the mushrooms.

• Draw an arrow from the mushrooms to the sun.

• Draw an arrow from the grass to the mushrooms.

• Draw an arrow from the mushrooms to the mouse.

• Draw an arrow from the mushrooms to the owl.

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What role does the frog play in the flow of energy in this food web?

• It is an herbivore that gets its energy from a consumer and gives energy to a consumer.

• It is an omnivore that gets its energy from a consumer and gives energy to a consumer.

• It is an herbivore that gets its energy from a producer and gives energy to a consumer.

• It is a carnivore that gets its energy from a consumer and gives energy to a consumer.

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In a food web, the cycling of matter and flow of energy does NOT flow directly from –

• Producer to consumer

• Consumer to consumer

• Consumer to producer

• Sunlight to producer

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The food web pictured shows the cycling of matter and flow of energy in this ecosystem. Which organism is the decomposer?

• Rattlesnake

• Lizard

• Fungus

• Grass

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A tree in an ecosystem has mushrooms growing on and around it. What are mushrooms, AND what is their role in the ecosystem?

• Mushrooms are plants that produce oxygen.

• Mushrooms are fungi that decompose dead matter.

• Mushrooms are insects that pollinate flowers.

• Mushrooms are animals that eat leaves.

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