Key Vocabulary Terms
Review the key terms in order to assist with answering the quiz questions.
Hertz: the derived unit of frequency in the International System of Units (SI)
Imprint (in sea turtles): sea turtle hatchlings use the unique magnetic field that exists to recognize their natal beach when they return 25-30 years later.
Magnetite Crystals: an iron oxide mineral that is strongly attracted to magnetic fields.
Migrate: to move from one region or habitat to another according to the seasons.
Natal: relating to the place or time of an organisms birth or hatching.
Senses: the ability by which an animal or person perceives an external stimulus.
Visible Light: the portion of the electromagnetic spectrum that is visible to the human eye.
Wavelenght: the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.