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Chapter 13 Section 1

Across
Tiny marine organisms
Begins at a depth of about 200m
A current in the ocean that brings deep, cold water to the ocean's surface
Organisms that eat producers
Organisms that carry this in the upper 200m of the ocean
Part of the ocean where producers make food by a process
Move only the upper few hundred meters of seawater
Rise and fall in sea level
A measure of salts dissolved in seawater
Near the ocean's surface
Down
A rhythmic movement
Throughout the ocean's energy is transferred from producers to consumers and decomposers
Break down tissue
Forms when more dense seawater sinks beneath less dense seawater
A community of organisms
Animals that can actively swim