Allopatric Speciation Requires

question 12

Multiple Choice

Allopatric speciation requires

• A)complete geographic isolation.
• B)overlapping distributions.
• C)abutting distributions.
• D)differences in phenology.

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Definitions:

Sella Turcica

A saddle-shaped depression in the sphenoid bone at the base of the human skull, housing the pituitary gland.

Neurohypophysis

The posterior part of the pituitary gland responsible for the storage and release of hormones like vasopressin and oxytocin, produced in the hypothalamus.

Secretory Activity

The process of producing and releasing substances such as enzymes or hormones from a cell or gland.

Hypothalamohypophysial Portal

The blood vessel system connecting the hypothalamus and the pituitary gland, allowing for the transport of regulating hormones.