Agriscience Unit 12

Some fish can migrate from fresh water to live in salt water.

• True

• False

The higher the concentration of salts in water, the greater the conductivity reading.

• True

• False

The steelhead trout can live on both sides of the saltwater gradient.

• True

• False

Fish eggs can be artificially fertilized.

• True

• False

Trout are produced on fish farms in large numbers. The temperature of water used for this type of farming must be warm.

• True

• False

The Aquaculture Research Center limits itself to research problems only.

• True

• False

Research in aquaculture includes research commercial finfish and shellfish.

• True

• False

The dorsal fin is found on the topside of fish.

• True

• False

Oxygen content of water can be increased by churning and mixing through air.

• True

• False

Frogs and turtles are examples of:

• amphibians

• crustaceans

• aspersions

• equine