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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?

Carbon dioxide Signup and view all the answers

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

Egested as faeces Signup and view all the answers

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

Reduced biomass transfer rates Signup and view all the answers

What does the efficiency of biomass transfer formula evaluate?

% Biomass transferred to the next level relative to previous level's availability Signup and view all the answers

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

Not all the light reaches photosynthesizing parts of plants Signup and view all the answers

What leads to the formation of clouds in the atmosphere?

Condensation of water vapor in the air Signup and view all the answers

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

Decomposition by detritivores and microorganisms Signup and view all the answers