What is the role of keystone species in an ecosystem? (2022)

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Question: What is the role of keystone species in an ecosystem? (2022)

Options:

Correct Answer: They have a disproportionately large impact on their environment.

Exam Year: 2022

Solution:

Keystone species have a disproportionately large impact on their environment, affecting many other organisms in the ecosystem.

What is the role of keystone species in an ecosystem? (2022)

What is the role of keystone species in an ecosystem? (2022)

Step 1: Understand what a keystone species is. A keystone species is a type of organism that plays a crucial role in maintaining the structure of an ecosystem.
Step 2: Recognize that keystone species have a large impact on their environment. This means that their presence or absence can significantly change the ecosystem.
Step 3: Identify examples of keystone species. For instance, wolves in Yellowstone National Park help control the population of deer, which in turn affects the entire plant community.
Step 4: Learn how keystone species affect other organisms. They can influence the population sizes of other species, which helps maintain balance in the ecosystem.
Step 5: Conclude that without keystone species, ecosystems can become unbalanced, leading to a loss of biodiversity and changes in habitat.

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