An Example of Territoriality Is

question 22

Multiple Choice

An example of territoriality is

• A)barnacles attached to a boat bottom.
• B)a cloud of moths attracted to a light.
• C)a swarm of mosquitoes hovering around a sweaty person.
• D)a red-winged blackbird singing to ward off other males and attract a female to the nest in his fencerow.
• E)All of the choices are correct.

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Definitions:

Glucagon

A hormone produced by the pancreas that raises blood glucose levels by promoting the breakdown of glycogen in the liver.

Biological Rhythms

Natural cycles of change in bodily functions or activities, including sleep-wake cycles and hormonal cycles, governed by internal biological clocks.

Melatonin

A hormone secreted by the pineal gland, involved in regulating sleep-wake cycles and circadian rhythms.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by reducing the calcium and phosphate levels in the blood.