Exploring Overfishing and Its Impact on Oceans

What event in the 1990s significantly impacted the cod population off Canada's East Coast?

• Introduction of new fishing technologies

• Collapse of the cod population

• Implementation of fishing bans

• Discovery of new fishing grounds

Which of the following technologies is NOT used in modern industrial fishing?

• Drones

• Helicopters

• Sonar

• Radar

What was the Patagonian toothfish rebranded as to make it more marketable?

• Mediterranean grouper

• Pacific halibut

• Chilean sea bass

• Atlantic cod

Why are deep water fish like the Patagonian toothfish particularly vulnerable to overfishing?

• They are found in shallow waters

• They don't reproduce until they are at least ten years old

• They are easy to catch

• They reproduce quickly

Tags

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5

What is the main reason shark fin soup is problematic for shark populations?

• It is not tasty

• The fins are the least profitable part of the shark

• Fishermen often discard the rest of the shark

• Sharks reproduce quickly

What percentage of the world's fish populations are currently overfished?

• 50%

• 31%

• 10%

• 75%

Tags

CCSS.6.RP.A.3C

What is a common by-catch percentage when wild shrimp are caught?

• 5%

• 75%

• 25%

• 50%

What is one negative impact of coastal shrimp farming?

• Increased fish populations

• Enhanced storm protection

• Improved water quality

• Destruction of mangroves

Which practice can be banned to help protect seafloor habitats?

• Long lining

• Flash freezing

• Bottom trawling

• Spotter planes

Why is international collaboration important in addressing overfishing?

• It is cheaper

• Fish do not respect national borders

• Fish populations are only local

• It reduces the need for regulations