Ecosystem Interactions and Energy Flow

What is the primary role of a predator in a predator-prey relationship?

• To provide food for prey

• To hunt and consume prey

• To decompose dead organisms

• To produce energy through photosynthesis

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DOK Level 1: Recall

Which of the following is an example of mutualism?

• A lion hunting a zebra

• A bee pollinating a flower

• A tapeworm in a human intestine

• A bird eating insects off a buffalo

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DOK Level 1: Recall

In an ecosystem, which of the following best describes the flow of energy?

• Energy flows from consumers to producers

• Energy flows from decomposers to producers

• Energy flows from producers to consumers

• Energy flows from consumers to decomposers

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DOK Level 1: Recall

Which of Earth's spheres includes all the water on the planet?

• Atmosphere

• Lithosphere

• Hydrosphere

• Biosphere

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DOK Level 1: Recall

Explain how a decrease in the prey population can affect the predator population in a predator-prey relationship.

• The predator population will increase

• The predator population will decrease

• The predator population will remain the same

• The predator population will become extinct

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DOK Level 2: Skill/Concept

Describe the relationship between a clownfish and a sea anemone.

• Parasitism

• Commensalism

• Mutualism

• Predation

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DOK Level 2: Skill/Concept

How does energy transfer from one trophic level to the next in an ecosystem?

• Through the consumption of organisms at a lower trophic level

• Through the absorption of sunlight

• Through the decomposition of dead organisms

• Through the release of heat

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DOK Level 2: Skill/Concept

How do the biosphere and atmosphere interact in the carbon cycle?

• Plants in the biosphere absorb carbon dioxide from the atmosphere during photosynthesis

• Animals in the biosphere release oxygen into the atmosphere during respiration

• The atmosphere provides nutrients to the biosphere

• The biosphere and atmosphere do not interact

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DOK Level 2: Skill/Concept

Identify the type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

• Mutualism

• Parasitism

• Commensalism

• Predation

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DOK Level 1: Recall

Which of the following best describes the interaction between the lithosphere and the hydrosphere?

• The lithosphere provides nutrients to the hydrosphere

• The hydrosphere erodes rocks in the lithosphere

• The lithosphere absorbs sunlight for the hydrosphere

• The hydrosphere produces oxygen for the lithosphere

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DOK Level 2: Skill/Concept