The Type of Reproductive Barrier That Occurs When Two Species

question 13

Multiple Choice

The type of reproductive barrier that occurs when two species mate but produce sterile hybrids is referred to as ________.

• A)mechanical isolation
• B)temporal isolation
• C)a postzygotic barrier
• D)a prezygotic barrier

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Definitions:

Isostatic Rebound

The rise of land masses that were depressed by the huge weight of ice sheets during the last glacial period, through a process of gravitational equilibrium.

Ice

The solid state of water, occurring naturally at temperatures below 0 degrees Celsius, important for climate and ecological systems.

Terraces

Flat or stepped surfaces carved into landscapes by natural processes like erosion or by human activities in agriculture or building.

Superposition

A principle stating that in an undisturbed sequence of sedimentary layers, each layer is younger than the one below it and older than the one above it.