What are the three goals you are trying to achieve when cleaning your fish tank?

• Regulate the nitrogen cycle, Remove dissolved and particulate organic compounds, Replenish essential minerals

• Regulate the nitrogen cycle, Increase water temperature, Add more fish

• Remove dissolved and particulate organic compounds, Add more plants, Increase water temperature

• Replenish essential minerals, Add more fish, Increase water temperature

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Understanding

Explain the process of the nitrogen cycle in a fish tank and its importance.

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Understanding

The nitrogen cycle involves the conversion of ammonia to nitrite and then to ______.

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Understanding

How often should you replace 10-20% of the water in a freshwater tank?

• Every 2-3 weeks

• Every week

• Every month

• Every day

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Applying

Describe the steps involved in cleaning a fish tank.

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Applying

To clean the gravel in a fish tank, you should use a siphon ______ vacuum.

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Applying

Analyze the impact of not replenishing essential minerals in a fish tank.

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Analyzing

Where does nitrogen fixation happen?

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NGSS.MS-LS2-1

NGSS.MS-LS2-3