Aquaculture Unit 2 Exam Review

Front

What is salinity?

Back

The measure of dissolved salts in a solution.

Front

How is nitrogen gas converted into ammonium?

Back

Nitrogen-fixing bacteria.

Front

Which organism will be most affected by acidification of seawater?

Back

Clams.

Front

How is dissolved oxygen (DO) in water affected by temperature?

Back

Increased temperature will lead to decreased DO.

Front

The ability to regulate the amount of water in an aquatic organism's body is called?

Back

Osmoregulation.

Front

What is the role of nitrogen-fixing bacteria in aquaculture?

Back

They convert nitrogen gas into ammonium, which is essential for plant growth.

Front

What is the impact of increased salinity on aquatic life?

Back

Increased salinity can lead to osmotic stress in aquatic organisms.

Front

Define osmoregulation in aquatic organisms.

Back

The process by which aquatic organisms regulate the balance of water and salts in their bodies.

Front

What is the significance of dissolved oxygen in aquatic ecosystems?

Back

Dissolved oxygen is crucial for the survival of fish and other aquatic organisms.

Front

How does temperature affect the metabolic rate of aquatic organisms?

Back

Generally, an increase in temperature increases the metabolic rate.