Environmental Studies

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A well-managed catfish pond may produce as much as _____ of fish per acre. a. 800 to 1,000 pounds ... Started by tiara099	1 Replies 47 Views	Jul 21, 2018 by yeungji
Records indicate that fish were grown in captivity in ancient: a. China c. Rome b. Egypt d. All ... Started by saraeharris	1 Replies 47 Views	Jul 21, 2018 by wuly
The largest portion of the trout produced in the United States comes from the Snake River Region of: ... Started by khang	1 Replies 30 Views	Jul 21, 2018 by mfedorka
The greatest competitors for oxygen in the water are: a. Crayfish c. Water insects b. Bacteria ... Started by tatyanajohnson	1 Replies 74 Views	Jul 21, 2018 by Li Jun
Instead of lungs, fish are equipped with ____________________ that take the oxygen from the water ... Started by Redwolflake15	1 Replies 56 Views	Jul 21, 2018 by asdfghjkl;
The greatest limiting factor in the number of fish that can be grown in a particular body of water ... Started by jc611	1 Replies 23 Views	Jul 21, 2018 by zenzy
Fish are ____________________, which means that they depend on the environment to provide the body ... Started by Deast7027	3 Replies 33 Views	Jul 21, 2018 by milbourne11
North America ranks ____ in the production and consumption of fish. Fill in the blank(s) with ... Started by casperchen82	1 Replies 28 Views	Jul 21, 2018 by juliaf
The whiskers on a catfish are called ____________________. Fill in the blank(s) with correct ... Started by theo	1 Replies 35 Views	Jul 21, 2018 by lindahyatt42
The eggs of a catfish are called ____. Fill in the blank(s) with correct ... Started by Mr3Hunna	1 Replies 47 Views	Jul 21, 2018 by Perkypinki
A ____________________ is a net used to harvest fish for delivery to the processing plant. Fill ... Started by leo leo	1 Replies 23 Views	Jul 21, 2018 by lauravaras
Grass carp are usually sold as ____________________ fish so they cannot reproduce and take over ... Started by 2125004343	1 Replies 38 Views	Jul 21, 2018 by ladyjames123
The greatest amount of dissolved oxygen added to the water comes about through the ... Started by Mr. Wonderful	1 Replies 96 Views	Jul 21, 2018 by diana chang
Fish producers use a device called an oxygen ____________________ to determine the oxygen level in ... Started by vicotolentino	1 Replies 68 Views	Jul 21, 2018 by janieazgirl
Producers who grow more than 5,000 pounds of catfish per acre can have problems with the buildup of ... Started by jerry coleman	3 Replies 45 Views	Jul 21, 2018 by potomatos
Carp have been cultured for thousands of years and were probably one of the first species of fish to ... Started by joesmith1212	1 Replies 57 Views	Jul 21, 2018 by wergv
The ____________________ of fish may have begun when people caught more fish than they could eat and ... Started by xroflmao	1 Replies 77 Views	Jul 21, 2018 by Pariscourtney
The species of catfish that is grown commercially is the ____________________ catfish. Fill in ... Started by elizabeth18	1 Replies 42 Views	Jul 21, 2018 by nothere
When the water is deep enough, the sun will not penetrate to the deeper, cooler regions of the pond, ... Started by Tazate	1 Replies 29 Views	Jul 21, 2018 by guyanai
What does an aerator do and how does it work? What will be an ideal ... Started by luvbio	1 Replies 20 Views	Jul 21, 2018 by emilymalinowski12
What four characteristics do fish need to have to be acceptable for domestication? What will be ... Started by appyboo	1 Replies 46 Views	Jul 21, 2018 by trampas
Where do catfish lay their eggs in the wild, and what do producers do to simulate this structure? ... Started by ereecah	1 Replies 22 Views	Jul 21, 2018 by eliasc0401
Explain the process involved in the artificial spawning of trout. What will be an ideal ... Started by Mr3Hunna	3 Replies 48 Views	Jul 21, 2018 by randomguy133
How can having too much plant life in a body of water adversely affect the amount of oxygen in the ... Started by Frost2351	1 Replies 29 Views	Jul 21, 2018 by matt95
Explain how an oxygen meter works. What will be an ideal ... Started by Zulu123	1 Replies 29 Views	Jul 21, 2018 by durant1234