Refer to the Figure

question 51

Multiple Choice

Refer to the figure.
Which of the following hypotheses for the global latitudinal gradient in species is not supported by the figure?

• A) The tropics and temperate regions have had similar speciation rates, but extinction rates have been lower in the tropics.
• B) The tropics and temperate regions have had similar extinction rates, but speciation rates have been higher in the tropics.
• C) The tropics have had more time for diversification than temperate regions have.
• D) Temperate regions have experienced lower diversification rates than the tropics have.

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Definitions:

Split-Brain Patient

An individual whose corpus callosum has been surgically severed, separating the brain's two hemispheres to treat severe epilepsy.

Visual Field

The total area in which objects can be seen in the peripheral vision while the eyes are focused on a central point.

Association Area

Regions of the brain that combine and process information from various other parts of the brain to carry out complex functions.

Cerebral Cortex

The outer layer of brain tissue, crucial for complex cognitive functions such as thought, memory, consciousness, and language.