Ocean features Flashcards
1
Q
What is a continental slope?
A
Narrow, about 16km, gives way to the continental rise
2
Q
What is continental shelf?
A
Gradually sloping part of the ocean, it ends at the continental slope
3
Q
What is the abyssal plain?
A
Flat ocean floor
4
Q
What are sea mounts?
A
Mountains that can clime over 3000meters above the abyssal plain
5
Q
What is mid ocean ridges?
A
Over the abyssal plain, very long chain of mountains
6
Q
What are guyots?
A
Seamounts that had once rose to the surface
7
Q
What are ocean trenches?
A
The deepest places in the ocean reaching more then 11,000meters deep
8
Q
What percentage of earths surface is ocean?
A
70.8%
9
Q
What is the photic zone?
A
sunlight can penetrate it
