Water properties
Water is made up of ___?
Atoms
The physical properties of seawater shape life in where?
Oceans
What is salinity?
Total amount of salt dissolved in water.
Rising CO2 levels affect the chemistry of the __?
Ocean
How many ocean layers are there?
5
What is water‘s molecule structure?
H2O
As you go deeper in the ocean objects look what color?
Blue
What is a chemical property of the ocean?
Salinity
Greater C02 levels can alter the ___ of organism.
Behavior
The first layer receives more ___ than the other layers.
Light
Positive charges of water are near which atoms?
Hydrogen atoms
What is a secchi disk used for?
To measure water clarity
The saltier the water is, the ___ it is.
Denser
Affected species of ocean acidification can harm what?
The entire food chain
Why is the Mesopelagic Zone called the Twilight Zone?
Barely any sunlight reaches the area
Temperature of water reflects the average ___ energy.
Kinetic
As pressures increase in the ocean, gases are what?
Compressed
Trace elements are present in?
Tiny amounts in the ocean
How much C02 enters oceans each year?
A quarter
What is the Bathypelagic Zones’s source of light?
Bioluminescence
The molecule of water ___ are not held together by hydrogen bonds
Vapor
Sound travels how much faster in water than in air?
4.5 times faster
What is marine snow & what does do for marine life?
It is a trace element & is a source of nutrients
Oyster farmers have seen what % of baby oysters die?
80%
What animals live in the Hadalpelagic Zone?
Rat-tail fish, amphipods, & decapods