A Newly Hatched Cuckoo Bird Is Blind, but Contact with an Object

question 40

Multiple Choice

A newly hatched cuckoo bird is blind, but contact with an object beside it stimulates it to push the object out of the nest. Which term best describes this behavior?

• A)learned
• B)conditioning
• C)imprinting
• D)instinct
• E)habituation

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Definitions:

PYY

A hormone involved in regulating appetite and food intake, released by the gut in response to eating.

Ghrelin

A hormone produced in the stomach that stimulates hunger and regulates food intake.

Orexin

Orexin is a neuropeptide that regulates arousal, wakefulness, and appetite, playing a crucial role in sleep-wake cycles and metabolic processes.

Appetite Hormones

Biological substances that influence appetite and food intake, such as ghrelin and leptin, playing crucial roles in hunger and satiety signals.