Environmental Science Overview

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Questions and Answers

What does the term 'fauna' refer to in an ecological context?

  • Plant life in a specific ecosystem
  • Non-living components of an ecosystem
  • Animal life in a specific region (correct)
  • Human impacts on the environment

Which of the following is NOT a physical factor of the environment?

  • Water
  • Air
  • Soil
  • Animals (correct)

What comprises the biological factors in an environment?

  • Air quality and soil composition
  • Climate and temperature
  • Water availability
  • Flora and fauna (correct)

What are environmental services?

<p>Direct and indirect contributions of ecosystems to human welfare (B)</p> Signup and view all the answers

Which factor is essential for understanding an organism's environment?

<p>Both physical and biological components (A)</p> Signup and view all the answers

Which is an example of a biological factor that affects living organisms?

<p>Plant species present (B)</p> Signup and view all the answers

What role do ecosystems play in relation to human survival?

<p>They provide direct and indirect resources essential for humans. (A)</p> Signup and view all the answers

Which statement about the environment is accurate?

<p>It is a combination of physical and biological factors. (B)</p> Signup and view all the answers

What are environmental services primarily defined as?

<p>Contributions of ecosystems to human survival and quality of life (C)</p> Signup and view all the answers

Which essential minerals can only be derived in usable forms through specific biogeochemical cycles?

<p>Nitrogen and phosphorus (A)</p> Signup and view all the answers

What role do support services play in ecosystems?

<p>Cycling of vital nutrients like nitrogen and phosphorus (B)</p> Signup and view all the answers

Which of the following is NOT considered an environmental service?

<p>Deforestation (C)</p> Signup and view all the answers

Why are nitrogen and phosphorus cycles important for ecosystems?

<p>They provide essential nutrients for life (A)</p> Signup and view all the answers

Which aspect is directly influenced by environmental services?

<p>Quality of life for humans (B)</p> Signup and view all the answers

How can human activities disrupt support services in ecosystems?

<p>By causing nutrient depletion through pollution (C)</p> Signup and view all the answers

What encompasses the concept of environmental services?

<p>Both direct and indirect contributions of ecosystems (B)</p> Signup and view all the answers

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Study Notes

Environment

  • The environment encompasses all elements surrounding a living organism, including physical factors like air, water, and soil, and biological factors like living organisms - flora and fauna.

Environmental Services

  • These services represent the direct and indirect benefits that ecosystems provide to human survival and quality of life.

Support Services

  • Support services include the cycling of vital nutrients, such as nitrogen and phosphorus, which are crucial for survival and can only be obtained in their usable forms through these cycles.

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