Marine Biology

4. a concept used to divide the Earth's surface
7. the separation of a system from its environment
8. vast, flat regions of the ocean floor
9. an underwater mountain
12. a wide, gentle incline from a deep ocean plain (abyssal plain) to a continental slope
14. electromagnetic radiation emitted by the sun
15. a type of sediment formed from the direct precipitation of minerals that were dissolved in seawater

1. the angular rate of change of the direction of the tangent line
2. line that acts as a reference for rotation, symmetry
3. the amount of a substance in a defined space
5. the process plants, algae, and some bacteria use to convert light energy into chemical energy
6. coordinate that helps define a specific location on Earth
10. an object's orbital movement around another object
11. vents A hydrothermal vent is an opening on the ocean floor where superheated, mineral-rich water emerges
13. a long, narrow depression on the seafloor