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Species Diversity and Ecosystem Functioning: Primary Production

This quiz assesses your understanding of the relationship between species diversity and ecosystem functioning, with a focus on primary production.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the term used to describe the total amount of organic matter produced by plants in an ecosystem?

  1. Primary production
  2. Secondary production
  3. Tertiary production
  4. Net primary production
Question 2 Multiple Choice (Single Answer)

Which of the following factors is NOT considered a driver of primary production?

  1. Light intensity
  2. Temperature
  3. Water availability
  4. Species diversity
Question 3 Multiple Choice (Single Answer)

According to the Resource-Competition Hypothesis, how does species diversity affect primary production?

  1. Increased diversity leads to increased competition and decreased production
  2. Increased diversity leads to increased competition and increased production
  3. Increased diversity leads to decreased competition and increased production
  4. Increased diversity leads to decreased competition and decreased production
Question 4 Multiple Choice (Single Answer)

Which of the following is an example of a sampling effect on primary production?

  1. Increased species richness leads to increased productivity
  2. Different species use different resources more efficiently
  3. Species interactions, such as competition and facilitation, influence productivity
  4. Random fluctuations in environmental conditions affect productivity
Question 5 Multiple Choice (Single Answer)

How does functional diversity, which considers the different traits and functions of species, influence primary production?

  1. It has no effect on primary production
  2. It increases primary production by increasing resource use efficiency
  3. It decreases primary production by increasing competition
  4. It decreases primary production by reducing resource availability
Question 6 Multiple Choice (Single Answer)

Which of the following is an example of a positive species interaction that can enhance primary production?

  1. Competition for resources
  2. Herbivory
  3. Facilitation
  4. Predation
Question 7 Multiple Choice (Single Answer)

What is the term used to describe the process by which plants convert light energy into chemical energy?

  1. Photosynthesis
  2. Cellular respiration
  3. Glycolysis
  4. Krebs cycle
Question 8 Multiple Choice (Single Answer)

Which of the following is NOT a factor that can limit primary production in aquatic ecosystems?

  1. Light availability
  2. Nutrient availability
  3. Temperature
  4. Oxygen concentration
Question 9 Multiple Choice (Single Answer)

How does biodiversity loss affect primary production?

  1. It has no effect
  2. It increases primary production
  3. It decreases primary production
  4. It can have both positive and negative effects
Question 10 Multiple Choice (Single Answer)

Which of the following is an example of a negative species interaction that can reduce primary production?

  1. Competition for resources
  2. Herbivory
  3. Facilitation
  4. Predation
Question 11 Multiple Choice (Single Answer)

What is the term used to describe the total amount of organic matter produced by plants in an ecosystem per unit area?

  1. Primary production
  2. Secondary production
  3. Tertiary production
  4. Net primary production
Question 12 Multiple Choice (Single Answer)

Which of the following is NOT a type of primary production?

  1. Gross primary production
  2. Net primary production
  3. Secondary production
  4. Tertiary production
Question 13 Multiple Choice (Single Answer)

How does species richness, which refers to the number of different species in an ecosystem, influence primary production?

  1. It has no effect
  2. It increases primary production
  3. It decreases primary production
  4. It can have both positive and negative effects
Question 14 Multiple Choice (Single Answer)

Which of the following is an example of a positive feedback loop between species diversity and primary production?

  1. Increased diversity leads to decreased competition and decreased production
  2. Increased diversity leads to increased competition and increased production
  3. Increased diversity leads to decreased competition and increased production
  4. Increased diversity leads to increased competition and decreased production
Question 15 Multiple Choice (Single Answer)

How does nitrogen deposition, which is the addition of nitrogen compounds to the environment from human activities, affect primary production?

  1. It has no effect
  2. It increases primary production
  3. It decreases primary production
  4. It can have both positive and negative effects
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