Multiple Choice
Why are there typically a larger number of producers than tertiary consumers in an ecosystem?
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48. Ecology
Introduction to Ecology
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The feeding relationships among the species in a community determine the community's:
A
trophic structure
B
abiotic factors
C
population density
D
genetic diversity
Verified step by step guidance1
Understand the key term 'feeding relationships' in the context of a biological community. Feeding relationships refer to how energy and nutrients flow through organisms in an ecosystem, typically represented by food chains or food webs.
Recognize that the term 'trophic structure' describes the organization of these feeding relationships. It refers to the hierarchical levels in an ecosystem, such as producers, primary consumers, secondary consumers, and so on.
Eliminate the incorrect options by understanding their definitions: 'abiotic factors' are non-living components of the environment (e.g., sunlight, water, temperature), 'population density' refers to the number of individuals per unit area, and 'genetic diversity' pertains to the variety of genes within a population.
Relate the concept of trophic structure to the question. Feeding relationships directly determine the trophic structure because they define how energy is transferred between different levels in the ecosystem.
Conclude that the correct answer is 'trophic structure,' as it specifically addresses the organization of feeding relationships in a community.
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