SAT Intensive Drill – Luyện Tập Nâng Cao Chuyên Sâu

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QUESTION BANK

While researching a topic, a student has taken the following notes:

• Ecosystems are communities of living organisms interacting with their physical environment.

• Biodiversity within ecosystems provides resilience against environmental changes.

• Keystone species play a critical role in maintaining the structure of an ecological community.

• The removal of a keystone species can lead to significant changes in ecosystem composition and function.

• Conservation efforts aim to protect biodiversity and the stability of ecosystems.

The student wants to explain the importance of keystone species in ecosystems. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Ecosystems are made up of living organisms and their physical environment, highlighting the importance of biodiversity

Biodiversity within ecosystems is crucial for resilience against environmental changes.

Conservation efforts focus on protecting biodiversity and ecosystems, underscoring the need for stability.

Keystone species are pivotal in maintaining ecological community structures, with their removal potentially disrupting ecosystem composition and function.

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SAT Intensive Drill – Luyện Tập Nâng Cao Chuyên Sâu

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