Multiple Choice
What is a group of interbreeding individuals of the same species living in a given area called?
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23. Speciation
Introduction to Speciation
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Which of the following is an example of mechanical isolation in speciation?
A
Temporal differences in mating seasons
B
Different mating calls prevent interbreeding
C
Geographical barriers separate populations
D
Physical differences prevent successful mating
Verified step by step guidance1
Understand the concept of mechanical isolation: Mechanical isolation is a form of reproductive isolation where physical differences between species prevent successful mating or fertilization.
Identify the key characteristic of mechanical isolation: It involves physical or anatomical differences that make mating between species difficult or impossible.
Analyze the given options: Look for the option that describes a physical barrier to mating, rather than behavioral or temporal barriers.
Evaluate the options: Temporal differences in mating seasons and different mating calls are examples of temporal and behavioral isolation, respectively, not mechanical isolation.
Conclude with the correct example: Physical differences preventing successful mating is the correct example of mechanical isolation, as it directly involves anatomical incompatibility.
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