7th EOY Review: Unit 9

In a forest ecosystem, which organism is responsible for converting sunlight into usable energy for other organisms in the food web?

• Producer

• Consumer

• Decomposer

• Predator

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FL.SC.7.L.17.1

What is the term for a relationship where both organisms benefit from their interaction?

• Parasitism

• Mutualism

• Predation

• Competition

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FL.SC.7.L.17.2

Which of the following is considered a limiting factor in an ecosystem?

• Amount of sunlight

• Number of predators

• Availability of water

• All of the above

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FL.SC.7.L.17.3

A rabbit eats grass, and a fox eats the rabbit. What role does the rabbit play in this food web?

• Producer

• Primary consumer

• Secondary consumer

• Decomposer

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FL.SC.7.L.17.1

Which relationship best describes a tick feeding on a dog?

• Mutualism

• Commensalism

• Parasitism

• Competition

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FL.SC.7.L.17.2

If a pond dries up during a drought, which limiting factor is most directly affecting the fish population?

• Food

• Water

• Disease

• Space

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FL.SC.7.L.17.3

A student observes mushrooms growing on a fallen log. What role do the mushrooms play in the ecosystem?

• Producer

• Consumer

• Decomposer

• Predator

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FL.SC.7.L.17.1

Which of the following is an example of commensalism?

• A bee pollinating a flower

• A barnacle attaching to a whale

• A lion hunting a zebra

• A tapeworm living in a dog

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FL.SC.7.L.17.2

A group of birds competes for the same nesting site in a tree. What type of relationship is this?

• Mutualism

• Competition

• Parasitism

• Predation

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FL.SC.7.L.17.2

Which of the following would most likely decrease the population of deer in a forest?

• Increase in available water

• Decrease in predators

• Decrease in food supply

• Increase in nesting sites

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FL.SC.7.L.17.3