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How Much Do You Know About Human Impact on Ecosystems?

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How Much Do You Know About Human Impact on Ecosystems?

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Questions and Answers

What are the consequences of human activities on ecosystems?

Ecosystems experience changes in their biotic and abiotic parts (correct)

Ecosystems remain unchanged

Ecosystems become more diverse

Ecosystems become more resilient

Where are the greatest changes in ecosystems taking place?

Developing countries (correct)

No changes are taking place

Developed countries

Both developed and developing countries

What is an example of unintended changes to ecosystems caused by human activities?

Planting more trees to increase biodiversity

Human waste entering natural ecosystems (correct)

Removing natural vegetation to create green spaces

Introducing new species to an ecosystem

What is the impact of removing natural vegetation from an ecosystem?

It alters the food webs and nutrient and energy cycles of the ecosystem (D) Signup and view all the answers

What happens when a tree is cut down?

Birds and insects lose a place to live (A) Signup and view all the answers

What are some potential consequences of altering food webs and nutrient cycles in ecosystems?

Changes in the distribution and abundance of species, loss of biodiversity, and reduced ecosystem services. Signup and view all the answers

How can human waste negatively affect natural ecosystems?

Human waste can build up to harmful levels and cause pollution, which can harm or kill organisms in the ecosystem. Signup and view all the answers

Why are changes to ecosystems often unintended?

Human activities can have complex and unpredictable effects on ecosystems, making it difficult to anticipate all of the consequences. Signup and view all the answers