How did the Earth's oceans originate (where did the water come from)?
What is water vapor from volcanoes
100
How much of the earth's surface is covered in oceans? (fraction)
What is 3/4
100
Describe the deep-water layer in the ocean
What is deep, dark, very cold
200
What is transferred between each organism in the food web?
What is energy
200
What is an upwelling?
What is areas where cold water from the bottom of the ocean is brought up to the surface full of nutrients.
200
What type of marine organism is a starfish
What is bottom-dweller
200
What does the California Current do to San Francisco and what part of it can destroy rocky shorelines, sandy shorelines, or beaches?
What is keeps it colder and wave erosion
200
Water becomes more dense when it has a decrease in what?
What is temperature
300
how to producers in deep water (no sunlight) produce food?
What is chemosynthesis
300
What are tides caused by?
What is the gravitational pull of the moon and the sun.
300
What is a wavelength and a breaker?
What is the horizontal distance between the highest/lowest point of two waves and when the top of a wave moves faster than the bottom and the wave collapses
300
What is an ecosystem?
What is a collection of living (biotic) and nonliving (abiotic) factors in a certain area
300
What are the 3 layers of the ocean called?
What is surface, thermocline, and deep-water
400
When organisms die what happens to their nutrients?
What is they are recycled
400
What are density currents?
What is they flow deep down in the ocean where dense water travels
400
Water becomes more dense because it has an increase in what?
What is salinity
400
Which marine organisms contain chlorophyll?
What is plankton
400
How does the water in a wave move?
What is not with the wave but in a circular motion
500
What is one thing different and one thing the same between consumers and producers?
What is both are living organisms. One makes its own food and one eats other things.
500
Where does the Gulf Stream move and how does it influence land around it?
What is starts near the equator and moves north and east along US towards Iceland. Heat rises from the water surface and warms the land around it.
500
How is oxygen associated with the ocean? (how does it get into and out of the water?)
What is it gets into the ocean water by dissolved atmosphere or photosynthesis from producers and out by living organisms using it for living processes.
500
Where do 25% of all marine species live?
What is coral reefs
500
What group of marine life provides the most food for humans?