Young Birds See Objects Flying Overhead and Respond by Crouching

question 23

Multiple Choice

Young birds see objects flying overhead and respond by crouching down into the nest and remaining still.Over time,some objects become familiar and the young birds do not crouch down.This type of learning is referred to as:

• A)sensitization
• B)associative learning
• C)operant conditioning
• D)habituation

---

Definitions:

Cilia

Microscopic hair-like structures on the surface of cells that move in a wave-like manner to transport substances.

Glands

Organs in the body that secrete hormones or other substances directly into the blood (endocrine) or into cavities inside the body or its outer surface (exocrine).

Epithelial

Relating to the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.

Connective

A type of tissue in the body that supports, binds together, or separates other tissues and organs.