Multiple Choice
Which characteristic is shared by humans and r-selected species?
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50. Population Ecology
r/K Selection
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Which statement indicates that an aquatic organism demonstrates K-selection?
A
It produces thousands of eggs with little or no parental care.
B
Its population size fluctuates greatly in response to environmental changes.
C
It produces a small number of offspring and provides extensive parental care.
D
It has a short lifespan and matures rapidly.
Verified step by step guidance1
Understand the concept of K-selection: K-selected species are organisms that tend to live in stable environments and invest heavily in the survival of their offspring. They produce fewer offspring but provide extensive parental care to ensure their survival.
Contrast K-selection with r-selection: r-selected species are adapted to unstable environments, producing many offspring with little or no parental care, and often have short lifespans and rapid maturation.
Analyze the statements provided in the problem: Identify which statement aligns with the characteristics of K-selected species, such as producing fewer offspring and providing extensive parental care.
Eliminate incorrect options: Discard statements that describe r-selected traits, such as producing thousands of eggs with little care, fluctuating population sizes, short lifespans, and rapid maturation.
Select the correct statement: Choose the option that describes K-selected traits, specifically the production of a small number of offspring with extensive parental care.
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