Exploring Island Biodiversity and Ecosystems

Which of the following best describes the concept of island biodiversity?

• The variety of species found in a specific mainland area

• The unique species diversity found on isolated landmasses

• The genetic variation within a single species

• The number of ecosystems in a large continent

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DOK Level 1: Recall

Identify the type of ecosystem service that involves the purification of water and air.

• Provisioning services

• Regulating services

• Cultural services

• Supporting services

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DOK Level 1: Recall

Explain how adaptations in organisms can lead to increased survival in specific environments.

• Adaptations allow organisms to change their genetic code instantly.

• Adaptations provide organisms with traits that enhance their ability to survive and reproduce in specific environments.

• Adaptations are temporary changes that occur during an organism's lifetime.

• Adaptations are only beneficial in artificial environments.

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DOK Level 2: Skill/Concept

What is the primary difference between primary and secondary succession?

• Primary succession occurs in areas with existing soil, while secondary succession starts on bare rock.

• Primary succession begins on bare rock, while secondary succession occurs in areas with existing soil.

• Primary succession involves only plant species, while secondary succession involves animal species.

• Primary succession is faster than secondary succession.

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DOK Level 2: Skill/Concept

Describe how ecological tolerance can affect species distribution in an ecosystem.

• Species with narrow ecological tolerance can thrive in a wide range of environments.

• Species with broad ecological tolerance can survive in a variety of environmental conditions, affecting their distribution.

• Ecological tolerance only affects aquatic species.

• Ecological tolerance is not related to species distribution.

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DOK Level 2: Skill/Concept

Analyze the impact of habitat fragmentation on biodiversity.

• Habitat fragmentation increases genetic diversity by connecting isolated populations.

• Habitat fragmentation decreases biodiversity by isolating populations and reducing genetic exchange.

• Habitat fragmentation has no impact on island biodiversity.

• Habitat fragmentation only affects plant species on islands.

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DOK Level 3: Strategic Thinking

Evaluate the role of keystone species in maintaining ecosystem services.

• Keystone species have little to no impact on ecosystem services.

• Keystone species are crucial in maintaining the structure and function of an ecosystem, thereby supporting ecosystem services.

• Keystone species only affect the provisioning services of an ecosystem.

• Keystone species are only important in aquatic ecosystems.

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DOK Level 3: Strategic Thinking

What adaptation might a plant develop in a desert environment to conserve water?

• Broad, flat leaves

• Deep root systems

• Thin, delicate stems

• High transpiration rates

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DOK Level 1: Recall

Discuss the significance of pioneer species in the early stages of ecological succession.

• Pioneer species are the last to colonize an area during succession.

• Pioneer species modify the environment, making it more suitable for subsequent species.

• Pioneer species are only found in aquatic environments.

• Pioneer species do not contribute to soil formation.

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DOK Level 2: Skill/Concept

How does ecological tolerance influence the resilience of an ecosystem to environmental changes?

• Ecosystems with species having narrow ecological tolerance are more resilient to changes.

• Ecosystems with species having broad ecological tolerance are more resilient to environmental changes.

• Ecological tolerance does not affect ecosystem resilience.

• Only abiotic factors influence ecosystem resilience.

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DOK Level 2: Skill/Concept