5. Ecology and Evolution

Ecosystem Dynamics — Quiz

Test your understanding of ecosystem dynamics with 5 practice questions.

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Practice Questions

Question 1

Which of the following best describes the term 'primary productivity' in an ecosystem?

Question 2

Which of the following factors most directly influences the Net Primary Productivity (NPP) of an ecosystem?

Question 3

In a given ecosystem, the Gross Primary Productivity (GPP) is 8,000 kJ/m²/year, and the plant respiration is 3,000 kJ/m²/year. What is the Net Primary Productivity (NPP) of this ecosystem?

Question 4

Which of the following best explains why ecosystem productivity can vary between different biomes?

Question 5

An ecosystem experiences a significant drop in Net Primary Productivity (NPP). Which of the following is the most likely cause?