Factors Affecting Ecosystems Quiz

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Questions and Answers

Which factor contributes to the limited number of trophic levels in an ecosystem?

  • Efficiency of biomass transfers (correct)
  • High glucose production in plants
  • Increased biomass availability at each level
  • Decreased respiration rate in herbivores

What is a significant reason for the limited number of animals found in higher trophic levels?

  • Limited availability of sunlight for photosynthesis
  • Increased photosynthetic rate in producers
  • High concentration of urea in herbivores
  • Loss of biomass through faeces (correct)

Why do carnivores generally struggle to consume bone, hooves, claws, and teeth?

  • Presence of excessive glucose in these parts
  • Low energy content in these parts
  • Absence of enzymes to digest such materials (correct)
  • High urea concentration in these parts

What waste product is produced when glucose is used in respiration?

<p>Carbon dioxide (B)</p> Signup and view all the answers

What happens to the biomass that herbivores cannot digest due to enzyme limitations?

<p>Egested as faeces (D)</p> Signup and view all the answers

Why is it common to find less animals in higher trophic levels?

<p>Reduced biomass transfer rates (C)</p> Signup and view all the answers

What does the efficiency of biomass transfer formula evaluate?

<p>% Biomass transferred to the next level relative to previous level's availability (D)</p> Signup and view all the answers

Why do producers transfer only about 1% of incident light energy for photosynthesis?

<p>Not all the light reaches photosynthesizing parts of plants (A)</p> Signup and view all the answers

What leads to the formation of clouds in the atmosphere?

<p>Condensation of water vapor in the air (A)</p> Signup and view all the answers

Which process contributes significantly to the breakdown of organic matter into simpler substances?

<p>Decomposition by detritivores and microorganisms (B)</p> Signup and view all the answers

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