Multiple Choice
Which of the following is a typical adaptation of a K-selected species?
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50. Population Ecology
r/K Selection
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Which of the following is a characteristic of r-selected species?
A
Stable population size near carrying capacity
B
High reproductive rate with many offspring
C
Long lifespan and extensive parental care
D
Slow development and delayed reproduction
Verified step by step guidance1
Understand the concept of r-selected species: These species are characterized by traits that maximize their reproductive success in environments where resources are abundant but unpredictable. They often thrive in unstable or disturbed environments.
Compare the traits of r-selected species with K-selected species: r-selected species typically have high reproductive rates, produce many offspring, and invest minimal parental care. In contrast, K-selected species have stable population sizes, fewer offspring, and extensive parental care.
Analyze the options provided: Look for traits that align with r-selected species. For example, 'high reproductive rate with many offspring' is a hallmark of r-selected species, while traits like 'stable population size near carrying capacity' and 'long lifespan with extensive parental care' are more characteristic of K-selected species.
Eliminate incorrect options: Discard options that describe K-selected species or traits not associated with r-selected species, such as 'slow development and delayed reproduction.'
Select the correct answer: Based on the analysis, the characteristic of r-selected species is 'high reproductive rate with many offspring.'
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