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;
15 Cards in this Set
- Front
- Back
Thomas McCallister Hydrothermal vents |
Definition
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 |
Definition An upward flow of cold water from the ocean depths |
|
Neritic zone |
Definition The part of the ocean that extends from the low-tide line out to the edge of the continental shelf |
|
Open Ocean Zone |
Definition the area of the ocean beyond the edge of the continental shelf |
|
Plankton |
Definition tiny algae and animals that float in water and are carried by waves and currents |
|
Nekton |
Definition Free-swimming animals that can move throughout the water column |
|
Benthos |
Definition Organisms that live on the bottom of the ocean or other body of water |
|
Internal Zone |
Definition
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 |
Definition
a system that uses sound waves to calculate the distance to an object |
|
Aquaculture |
Definition
the farming of salt and freshwater organisms |
|
Estuary |
Definition
a coastal inlet or where fresh water from rivers mixes with salty ocean water
|
|
Surface Zone |
Definition
extends as far as sunlight reaches below the surface; it is the only part of the open ocean that receives enough sunlight for growth of algae |
|
Deep Ocean Zone |
Definition
begins when the sunlight no longer reaches the water (at the end of the surface zone); it is dark and cold |
|
Surface Currents |
Definition
is a large steam of moving water at the surface that flows through the ocean; are mainly driven by winds |
|
Bioshpere |
Definition
the part of the earths crust, waters, and atmosphere that supports life |