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If the oxygen level in a pond is lower than ideal, the producer operates _____________________ that ...

romina0724

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If the oxygen level in a pond is lower than ideal, the producer operates _____________________ that ...

If the oxygen level in a pond is lower than ideal, the producer operates _____________________ that are placed in the pond.

Fill in the blank(s) with correct word

Question 2

Fish producers use a device called an oxygen ____________________ to determine the oxygen level in the water.

Fill in the blank(s) with correct word

Question 3

Warm-water fish such as catfish normally need about four to five parts per ____________________ of dissolved oxygen in the water.

Fill in the blank(s) with correct word

Question 4

The greatest amount of dissolved oxygen added to the water comes about through the _____________________ of aquatic plants.

Fill in the blank(s) with correct word

Question 5

The gills are composed of rows of curved structures called the gill ____________________.

Fill in the blank(s) with correct word

Question 6

Grass carp are usually sold as ____________________ fish so they cannot reproduce and take over ponds.

Fill in the blank(s) with correct word

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xoxolove

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romina0724 Author

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6 years ago

The fact that I can't marry you for this saddens me.

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xoxolove

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6 years ago

Let's keep this professional Monkey

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