Ecosystem Quiz

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

• Lion

• Grass

• Snake

• Hawk

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DOK Level 1: Recall

What is the primary source of energy for most ecosystems?

• Wind

• The Sun

• Water

• Soil nutrients

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DOK Level 1: Recall

In a food chain, what role do plants play?

• Primary consumers

• Secondary consumers

• Producers

• Decomposers

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DOK Level 2: Skill/Concept

Which of the following is an abiotic factor in an ecosystem?

• Bacteria

• Fish

• Temperature

• Insects

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DOK Level 2: Skill/Concept

How does energy flow through an ecosystem?

• From producers to decomposers to consumers

• From consumers to producers to decomposers

• From producers to consumers to decomposers

• Energy does not flow; it remains constant in each organism

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DOK Level 2: Skill/Concept

What is the process called by which plants use sunlight to produce their food?

• Cellular respiration

• Photosynthesis

• Fermentation

• Chemosynthesis

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DOK Level 1: Recall

Which of the following best describes the interaction between a fox and a rabbit?

• Mutualism

• Commensalism

• Predator-prey relationship

• Competition

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DOK Level 2: Skill/Concept

If a disease wiped out a population of primary consumers in an ecosystem, what would be the most likely immediate effect?

• Producers would increase rapidly.

• Secondary consumers would have less food.

• The number of decomposers would decrease significantly.

• There would be an increase in abiotic factors.

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DOK Level 3: Strategic Thinking

What role do decomposers play in the energy flow of an ecosystem?

• They convert solar energy into chemical energy.

• They eat live plants and animals.

• They break down dead organisms, returning nutrients to the soil.

• They produce their own food through photosynthesis.

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DOK Level 2: Skill/Concept

Considering the impact of abiotic factors on an ecosystem, which of the following scenarios would most likely reduce biodiversity?

• An increase in plant diversity

• A stable temperature range conducive to life

• A significant decrease in water availability

• An increase in sunlight reaching the forest floor

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DOK Level 3: Strategic Thinking