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"No biological system is completely closed, thus some movement of nutrients in and out always occurs." Is this statement true or false?

User Sha
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Answer:

TRUE

Step-by-step explanation:

No biological system is completely closed.

A nutrient cycle is the movement and exchange of both organic and inorganic matter back into the production of matter. This cycle is a recycling system which always occurs no matter what.

In a system that looks closed (closed loop), nutrients may be limited because they are not cycled through the system fast enough and/or it is not possible to compensate for deficiencies by migration.

User Xonar
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