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Aquaculture Systems and Practices

Aquaculture Systems and Practices

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video discusses the challenges faced by catfish farmers due to global competition and rising production costs. It explains traditional open pond farming methods and introduces innovative aquaculture systems like partitioned aquaculture, which separates fish culture from waste treatment. These systems, developed by universities, aim to improve efficiency and profitability in catfish farming. The video also highlights future systems that incorporate these innovations for better compatibility with existing infrastructure.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the main challenges faced by catfish farmers in the United States?

Competition from imported fish

Excessive government regulations

Lack of suitable water bodies

High demand for catfish

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the traditional open pond system, what is a major issue with feed distribution?

Feed dissolves too quickly

Smaller fish may not access feed equally

Feed is not nutritious

Feed is too expensive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do algae play in the open pond system?

They provide food for the fish

They help in water filtration

They produce oxygen through photosynthesis

They act as a barrier against predators

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of the partitioned aquaculture system (PAS)?

To eliminate the need for mechanical aerators

To increase the size of fish ponds

To reduce the number of fish in ponds

To separate fish culture from waste treatment

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the PAS system improve oxygen production?

By reducing the number of algae

By exposing the water column to sunlight

By increasing the number of fish

By using larger ponds

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key feature of the second generation PAS system?

It relies solely on natural aeration

It eliminates the need for algae

It includes computer-controlled gates

It uses a single large pond

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What additional benefit does introducing tilapia in the PAS system provide?

They feed on algae and provide extra income

They help in reducing pond size

They act as a natural predator to catfish

They increase the oxygen demand

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