What are marine organisms mostly made up of by weight?
What is water
What helps shape life in the ocean?
What are the physical properties of seawater
What is one chemical property of the ocean?
What is salinity
The carbon that forms the backbone of all organic molecules starts in the what as carbon?
What is the atmosphere
The carbon that forms the backbone of all organic molecules starts in the what as carbon?
What is the atmosphere
What percentage of water and salt is in seawater?
What is 99.5%
Which fundamental properties besides light level and pressure are drastically different in the oceans than on land?
What is transmission of light and sound
Salinity is the total amount of what dissolved in water?
What is salt
About how much CO2 enters oceans each year?
What is 25%
Carbon dioxide is converted into organic compounds by what?
What is photosynthesis
What is the attraction of two water molecules called?
What is hydrogen bonding
In the ocean depths, which color penetrates the deepest while the other colors are absorbed?
What is blue
What accounts for 85% of the ions?
What is sodium and chloride
Reduces what in the water?
What is carbonate
Respiration by consumers, decomposers, and what breaks down the organic compounds and makes the CO2 available to producers again?
What are producers
What is the total kinetic energy of all the particles in a substance or object?
What is heat
As pressure increases, what happens to gasses?
What is compression
Which ions come from volcanoes & hydrothermal vents?
What are sulfides and chlorides
Crabs would have a hard time doing what?
What is forming their shells
Rising CO2 levels affect the what of the ocean?
What is chemistry
Ions dissolved in seawater come from chemical weathering of rocks on land, materials from Earth’s interior, and materials released into the atmosphere by which geological structure?
What are volcanoes
The higher density of water causes sound to travel how many times faster in water than in air?
What is 4.5 times faster
Which ions come from rivers?
What is sodium, potassium, and magnesium
Oyster farmers have seen what % of baby oysters die?
What is 80%
About what % of the CO2 emitted into the atmosphere each year in the ocean.
What is 30%