Shark Conservation and Ecology

Sharks have existed for 450 million years, predating dinosaurs, but are now threatened by human activities, particularly overfishing. Many shark species are nearing extinction due to high demand for shark fins and meat, with few regulations in place. Conservationists are pushing for stricter fishing quotas and bans on shark finning. The decline in shark populations disrupts marine ecosystems, highlighting the need for sustainable fishing practices to prevent a lifeless sea.

How long have sharks been present in the Earth's oceans?

• 200 million years

• 450 million years

• 100 million years

• 600 million years

What is the main reason for the decline in shark populations?

• Overfishing

• Pollution

• Habitat loss

• Climate change

Why are sharks often targeted by commercial fishermen?

• They are easy to catch

• They are a substitute for swordfish

• They are not protected by any laws

• They are abundant in all oceans

What is the most valuable part of a shark in Asian markets?

• Shark meat

• Shark skin

• Shark liver oil

• Shark fin

What is the practice of removing shark fins and discarding the body called?

• Shark fishing

• Shark culling

• Shark finning

• Shark harvesting

What is a proposed method to strengthen shark finning regulations in Europe?

• Increasing shark fishing quotas

• Allowing only whole sharks to be landed

• Exporting more shark fins

• Banning all shark fishing

What role do sharks play in marine ecosystems?

• Herbivores

• Decomposers

• Apex predators

• Primary producers

What has been the impact of declining shark populations on scallop beds?

• Increased scallop populations

• Destruction of scallop beds

• No impact

• Improved scallop health

What is a major concern regarding the current state of global fishing practices?

• Emptying oceans of life

• Overpopulation of fish

• Increased fish diversity

• Lack of fishing technology

What is the potential future if overfishing continues unchecked?

• A balanced marine ecosystem

• More diverse marine life

• A lifeless sea

• Increased fish populations