Oceans & Fisheries

A species with market-value is a (a)   species.

Which are causes of overfishing?

• Larger boats (larger holding capacity)

• New technology: radar, satellite

• Faster boats (travel longer distances)

• All of the above

Which type of fishing net is more sustainable?

• Diamond shape

• Square shape

Which is the largest ocean?

• Atlantic Ocean

• Indian Ocean

• South Sea

• Pacific Ocean

By-catch are?

• Species with no market-value

• Immature fish

• Immature fish and species with no market-value

• Rare fish

Dolphins, sea turtles and seals are common by-catch species. True or false.

• True :(

• False :)

How many types of ocean currents are there?

• 1 type

• 2 types

• 3 types

• 4 types

• 5 types

The codfish (Gadus morhua) occurs in which ocean?

(a)  

Why are mangroves amazing?

• They protect settlements from tsunamis

• They are nurseries for fish

• They are popular tourist spots

• Points 1 & 2 only

• All of the above

Which is the most sustainable form of fishing?

• Line fishing

• Surrounding nets

• Trawl nets

• Seine nets