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Principles Of Aquaculture Quiz 3 (20 MCQs)

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1. Growing of two items at one time.
2. Excess food or faeces in an aquaculture system can lead localised what?
3. For crustaceans to grow, they must shed their hard outer shell ..... the exoskeleton. This process is known as?
4. This freshwater culture requires warm temperatures of about 82 Fahrenheit, saline waters for larval stages, and fresh or slightly saline waters for grow out.
5. Ponds are typically how deep?
6. Which of the following are environmental impacts of extensive aquaculture?
7. Which type of fish have long barbels on their upper lip?
8. The largest and most commercially important species of abalone, ..... abalone occurs mostly in California waters.
9. Agriculture can be harmful to the lithosphere because fertilizers and ..... can pollute the water.
10. Organs of interdependent organism and the environment they inhabit.
11. The biggest aquaculture earner in WA is
12. Snails are fed a finely ground dry meal with a high concentration of
13. A bunch of silky threads secreted by certain mollusks and serving as a mean of attachment to an object.
14. Scientific name of rainbow trout
15. The photic layer of the open ocean is the area with the greatest amount of?
16. A place where fish eggs are incubated and hatched by artificial means is known as what?
17. Benefits of intensive systems are
18. When one is establishing an aquaculture operation, the need for more time to develop markets for the aquaculture products is the main reason to:
19. Which type of fishing has the greatest level of bycatch?
20. A significant reduction in temperature in an aquarium that holds warmwater fish will cause the fish to:
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