Two Species of Crickets Have Partially Overlapping Ranges, in Which

question 95

Multiple Choice

Two species of crickets have partially overlapping ranges, in which hybrids are never found.Individuals-whether taken from overlapping areas or from non-overlapping areas-will rarely mate in the lab, because the females reject the songs sung by males of the other species.Of the few hybrids that are produced in lab crosses, all have low viability.Based on the information given, which statement is true?

• A) The two species exhibit postzygotic reproductive isolation, but not prezygotic isolation.
• B) The two species exhibit prezygotic and postzygotic reproductive isolation.
• C) There is no evidence for reinforcement.
• D) A hybrid zone has formed.
• E) Sympatric speciation has occurred.

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Definitions:

Piaget

A Swiss psychologist known for his pioneering research in developmental psychology, particularly his theory of cognitive development in children.

Concrete Operational

A stage in Piaget's theory of cognitive development (ages 7-11) where children gain the ability to think logically about concrete, tangible objects and events.

Sausage

A type of meat product usually made from ground meat, often pork, beef, or poultry, along with salt, spices, and other flavorings, encased in a skin.

Development Stage

A distinct phase in an individual or group's growth or development process, characterized by specific milestones or achievements.