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Air Composition and Energy Transfer in Ecosystems

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Air Composition and Energy Transfer in Ecosystems

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Questions and Answers

What is the approximate percentage of carbon dioxide in the Earth's atmosphere?

21%

0.04% (correct)

78%

According to the second law of thermodynamics, what is the natural tendency of a closed system?

To progress from a more ordered state to a more disordered state (correct)

To maintain a constant level of order

To create energy from nothing

To become completely isolated from its surroundings

What is the most abundant gas in the Earth's atmosphere?

Carbon dioxide

Argon

Oxygen

Nitrogen (correct)

What is the primary purpose of the energy transfer in ecosystems?

To sustain the living organisms (C) Signup and view all the answers

According to the first law of thermodynamics, what can happen to energy in a system?

Energy can only be transformed from one form to another (D) Signup and view all the answers

What is the primary consequence of energy flow in a food chain?

Most of the energy is lost as heat in each transfer between trophic levels. (B) Signup and view all the answers

Which ecosystem is typically the most productive in terms of energy flow?

Upwelling ecosystems with 3 trophic levels and a productivity of 500. (A) Signup and view all the answers

What is the primary goal of the European Green Deal?

To set the European Union on a path to achieve climate neutrality by 2050. (A) Signup and view all the answers

What is the primary objective of ecosystem-based management?

To integrate biological, social, and economic factors into a comprehensive strategy for protecting the sustainability, diversity, and productivity of natural resources. (C) Signup and view all the answers

What is the primary driver of land use change in the land use-ecosystem services nexus?

Changes in landscape properties or social values that influence land-use decisions. (B) Signup and view all the answers

Which of the following is a consequence of poor land management?

Drought, soil erosion, and desertification. (C) Signup and view all the answers

What is the primary goal of the European Climate Pact?

To engage citizens and stakeholders in the European Union's climate action. (C) Signup and view all the answers

What is the primary concept behind the "nexus thinking" approach?

Considering the interconnectedness between different systems, such as air, land, and sea. (B) Signup and view all the answers

What is the primary goal of the European Green Deal's "Farm to Fork" strategy?

To create a fair, healthy, and environmentally friendly food system. (B) Signup and view all the answers

What is the primary concept behind the "just transition" aspect of the European Green Deal?

To ensure that no one is left behind in the transition to a green economy. (A) Signup and view all the answers