In Testing a Hypothesis That "Territorial Defense in European Robins

question 4

Multiple Choice

In testing a hypothesis that "territorial defense in European robins is a fixed action pattern that is released by the sight of orange feathers," researchers found that robins defended their territory by attacking anything that was of similar size and had an orange patch.How would you show that it was indeed color that initiated the defense responses?

• A)Repeat the experiment using live specimens.
• B)Repeat the experiment using other shapes.
• C)Repeat the experiment removing the orange patch.
• D)Repeat the experiment with giant specimens.

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Definitions:

Follicle-Stimulating Hormone

A hormone involved in the reproductive processes of both males and females, stimulating the growth of ovarian follicles in females and spermatogenesis in males.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also associated with behaviors like bonding, trust, and empathy.

Fight or Flight

A physiological response to perceived harmful events, attacks, or threats to survival, preparing the body for defensive or evasive action.

Epinephrine

Also known as adrenaline, a hormone and a neurotransmitter that increases heart rate, muscle strength, blood pressure, and sugar metabolism.