Ecosystem Interactions and Biodiversity Quiz

What is the primary source of energy for most food chains?

• Water

• Sunlight

• Soil

• Wind

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DOK Level 1: Recall

Which of the following is an example of a mutualistic relationship?

• A lion hunting a zebra

• A bee pollinating a flower

• A tick feeding on a dog

• A bird eating insects off a buffalo

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DOK Level 1: Recall

In a food web, what role do decomposers play?

• Producers

• Primary consumers

• Secondary consumers

• Break down dead organisms

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DOK Level 1: Recall

Which of the following best describes a predator-prey relationship?

• A rabbit eating grass

• A wolf hunting a deer

• A bird building a nest

• A fish swimming in a pond

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DOK Level 1: Recall

How does the removal of a top predator affect an ecosystem?

• Increases biodiversity

• Decreases prey population

• Causes an imbalance in the food web

• Has no effect

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DOK Level 2: Skill/Concept

Explain how a decrease in biodiversity (life/species) can impact ecosystem health.

• It can lead to more stable ecosystems.

• It can reduce the ability of an ecosystem to adapt to environmental changes.

• It can increase the number of available resources.

• It has no significant impact.

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DOK Level 2: Skill/Concept

Which of the following is an example of a commensal relationship?

• A remora fish attaching to a shark

• A flea feeding on a dog

• A bee pollinating a flower

• A lion hunting a zebra

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DOK Level 1: Recall

Evaluate the impact of deforestation on biodiversity.

• It increases the number of species.

• It has no effect on biodiversity.

• It leads to habitat loss and decreases biodiversity.

• It promotes the growth of new species.

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DOK Level 3: Strategic Thinking

Construct an explanation for how invasive species can disrupt ecosystem interactions.

• They always increase the population of native species.

• They can outcompete native species for resources.

• They have no effect on native species.

• They only affect the physical environment.

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DOK Level 3: Strategic Thinking

Which of the following best describes the role of keystone species in an ecosystem?

• They are the most abundant species.

• They have a disproportionately large impact on their environment.

• They are always top predators.

• They are the primary producers.

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DOK Level 2: Skill/Concept