Multiple Choice
In the context of population ecology, what typically happens to a population and the level of competition among individuals when there is a reduction in available living space?
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50. Population Ecology
Introduction to Population Ecology
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A group of individuals of a single species that occupy the same general area defines a:
A
community
B
biosphere
C
population
D
ecosystem
Verified step by step guidance1
Step 1: Begin by understanding the key terms provided in the problem. A 'community' refers to all the populations of different species living and interacting in a particular area. A 'biosphere' encompasses all ecosystems on Earth, including all living organisms and their environments. An 'ecosystem' includes both the living organisms (biotic factors) and the non-living components (abiotic factors) in a specific area.
Step 2: Focus on the term 'population.' In biology, a population is defined as a group of individuals of the same species that live in the same area and interbreed, sharing a common gene pool.
Step 3: Compare the definition of 'population' with the description provided in the problem: 'A group of individuals of a single species that occupy the same general area.' This matches the definition of a population.
Step 4: Eliminate the other options based on their definitions. A 'community' involves multiple species, not just one. A 'biosphere' is too broad and includes all ecosystems on Earth. An 'ecosystem' includes both biotic and abiotic factors, not just individuals of a single species.
Step 5: Conclude that the correct answer is 'population,' as it aligns with the description provided in the problem.
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Introduction to Population Ecology practice set
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