Change in Beak Size Over Time in Darwin's Finches Is

question 40

Multiple Choice

Change in beak size over time in Darwin's finches is an example of

• A)environmental gradient.
• B)fundamental niche.
• C)competitive exclusion.
• D)character displacement.

---

Definitions:

Growth Hormone-Releasing Hormone

A hypothalamic hormone that stimulates the pituitary gland to release growth hormone, which in turn regulates growth and metabolism.

Antidiuretic Hormone

A hormone released by the pituitary gland that regulates the body's retention of water by increasing the reabsorption of water in the kidneys.

Thyroid-Stimulating Hormone

A pituitary hormone that regulates the production of hormones by the thyroid gland.

Hypothalamus

A region of the brain that coordinates activities of the autonomic nervous system and the pituitary, controlling body temperature, hunger, and thirst.