Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
Nicole |
Holmes |
|
Hydrothermal Vents |
An area where ocean water sinks through cracks in the ocean floor, is heated by the underlying magma, and rises again through the cracks. |
|
Upwelling |
An upward flow of cold water from the ocean depths. |
|
Neritic Zone |
The part of the ocean that extends from the low-tide line out to the edge of the continental shelf. |
|
Open Ocean Zone |
The area of the ocean beyond the edge of the continental shelf. |
|
Plankton |
Tiny algae and animals that float in water and are carried by waves and currents. |
|
Nekton |
Free swimming animals that can move throughout the water column. |
|
Benthos |
Organisms that live on the bottom of the ocean or other body of water. |
|
Inertial Zone |
The area that stretches from the highest high tide line on land out to the point on the continental shelf exposed by the lowest tide. |
|
Sonar |
A system that uses sound waves to calculate the distance to an object. |
|
Aquaculture |
The farming of saltwater and freshwater organisms. |
|
Estuary |
A coastal inlet or bay where fresh water from rivers mixes with salty ocean water. |
|
Surface Zone |
Extends as far as sunlight reaches below the surface;it is the only part of the open ocean that receives enough sunlight for the growth of algae. |
|
Deep ocean zone |
Begins when the sunlight no longer reaches the water (at the end of the surface zone); it is dark and cold. |
|
Surface currents |
Is a large stream of moving water at the surface that flows through the ocean; driven by winds. |
|
Biosphere |
The part of the earth's crust, waters, and atmosphere that supports life. |