Exam 56: Animal Behavior

Female silkworm moths produce a ____ signal referred to as bombykol, which generates a message in specialized receptors on the antennae of any male silkworm moth that is downwind.

Animals establish and defend territories only when ____.

Which hormone results in the production of more neurons in the higher vocal center of the brains of male, but not female, zebra finches?

When young male white-crowned sparrows first begin to sing, they match their vocal output to ____.

Upon finding a carcass, a raven will only call and attract other ravens to the food source if the ____.

A change in the rate or frequency of movements in response to environmental stimuli is called taxis.

The pecking behavior in young herring gulls is triggered primarily by a red spot on the bill of the parent, and is performed repeatedly in the same way; therefore, it is an example of ____.

A male zebra finch can discriminate between the songs of strangers and the songs of established neighbors on adjacent territories through a cluster of neurons in the ____.

Under which circumstances does the zenk gene become active in zebra finches, and what is its effect?

How does losing or acquiring territory affect the brain anatomy and chemistry of an African cichlid fish?

An animal that is apparently aware of its circumstances and uses reasoning to achieve a goal is said to have ____.

Questions about ultimate causes of behavior are ____ questions, while proximate questions about behavior are ____ questions.

Tinbergen's wasp experiments demonstrated that wasps find their nests by ____ cues.

Which chemical exerts its effect on honeybee behavior by stimulating neural transmissions and reinforcing memories?

If a species of animal defends territories primarily to secure sufficient food supply for reproduction, we would expect the size of territories to be most closely related to ____.

Neurons in the higher vocal center of a male zebra finch's brain are stimulated to proliferate by testosterone.

In many animals, visual signals are ____, meaning they have become exaggerated and stereotyped over evolutionary time, forming an easily recognized visual display.

Male zebra finches behave differently toward familiar neighbors, whom they largely ignore, and unfamiliar singers, whom they attack and drive away. This behavior is a result of ____.

When a foraging honeybee discovers pollen or nectar, it returns to its colony and performs a dance involving ____ signals in the complete darkness of the hive.

Altruism involves ____, but reciprocal altruism involves ____.