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Chapter 13 - Oceans

Teacher: Mrs. Morey
Across
Organism that breaks down tissue and releases nutrients and carbon dioxide back into the ecosystem
Circulation pattern in the ocean that forms when a mass of more dense seawater sinks beneath less dense seawater
Series of stages that show the transfer of energy from producer to consumer and decomposers
Process by which plants and algae use sunlight, water, and carbon dioxide to make food and oxygen
Earth's air, forms a protective layer around the planet and is divided into five layers
A fluid moving continuously in a certain direction
Process that occurs in deep ocean water, where sunlight does not penetrate, in which bacteria make food from dissolved sulfur compounds
The alternate rise and fall of sea level caused by the gravitational attractions of the Moon and Sun
Loose materials, such as rock fragments, mineral grains, and the remains of once-living plants and animals, that are moved by wind, water, ice or gravity
Layer of ocean water that begins at a depth of about 200 m and becomes progressively colder with increasing depth
Down
Rhythmic disturbance that carries energy but not matter
Ocean water that usually moves only the upper few hundred meters of seawater
Marine animals, such as fish and turtles, that actively swim in ocean waters
Measure of dissolved solids, or salts, in seawater
Organism that can make its own food by photosynthesis or chemosynthesis
Substance needed by organisms to carry out life processes
Ocean current that moves cold, deep water to the ocean surface
Tiny marine organisms, such as diatoms, that drift in the surface waters of every ocean
All the living organisms in an area, as well as the nonliving parts of their environment
An organism that obtains food by eating other organisms