Marine Science Second Semester Exam Study Guide

Vocabulary flashcards from marine science lecture notes.

Euphotic Zone

Zone where 90% of all marine life is found.

Dis- (as in Disphotic)

Means 'difficult'.

Disphotic Zone

Also known as the Twilight Zone.

Aphotic Zone

Zone where organisms use bioluminescence to see.

Marine Snow

A food source for animals in the disphotic zone.

Mariana Trench

The deepest part of the ocean.

Challenger Deep

The deepest part of the Mariana Trench.

Arctic

The North Pole; where polar bears are found.

Blubber

The part of the polar bear used for food storage and insulation.

Countershading

The camouflage penguins use.

Echolocation

How dolphins 'see' underwater.

Narwhal Horn

Actually a tooth growing straight out of its head.

Bioluminescence (Deep Sea Shrimp)

Used to distract and blind predators.

Cahaba River

Source of drinking water for Birmingham and has high biodiversity.