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Ryan
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What mainly distinguishes nekton from benthos

Customer Question

a. one lives in a freshwater ecosystem and the other live in salty water.
b. one swims freely and the other often lives attached to a hard surface
c. one is a predator and the other is a primary producer.
d. all of the above
Submitted: 11 years ago.
Category: Homework
Expert:  Ryan replied 11 years ago.
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