Unique Nature of pure water
Marine organisms are mostly what?
Water
Water is relatively what?
Transparent
Name one chemical property of the ocean
Salinity
Rising CO2 levels affect the what of the ocean?
Chemistry
What is the first layer of the ocean known as?
The Epipelagic Zone
Molecules are the result of two or more atoms bonded how?
Chemically
What is crucial for photosynthesi?
Sunlight
What is Salinity?
Salinity is the total amount of salt dissolved in water.
The average pH of the ocean is?
8.0-8.3
True of false: The Mesopelagic Zone has no plants because there is not enough sunlight?
True
Atoms can be found alone or they can be what?
Bound to other atoms in molecules
What kind of light penetrates the deepest?
Blue light
What two things account for about 85% of the ions?
Sodium and Chloride
About how much C02 enters oceans each year?
25%
In the Mesopelagic Zone, how is the only light in this zone produced?
Through bioluminescence
Seawater is primarily water and salt, what percent?
About 99.5%
What is used to measure water clarity?
A secchi disk
Which ions come from volcanoes and hydrothermal vents?
Sulfides and chlorides
Crabs would have a hard time doing what?
Building shells
Which Zone is the largest environment on earth?
The Hadalpelagic Zone
In the water molecule, H20, there are two atoms of hydrogen and one atom of what chemically bonded together?
Oxygen
Fundamental properties such as light level, pressure, and transmission of what are drastically different in the oceans than on land?
Light and sound
Proportions can vary near hydrothermal vents, where what flows into the ocean, and where there is intense biological activity?
Rivers
Oyster farmers have seen what % of baby oysters die?
80%
List two species that live in the Hadal Zone:
Rat- tail fish, liparid fish, amphipods, and decapods