Shark Impact on Ecosystem Dynamics

The video explores a mystery in a swamp where alligators have disappeared. The team, including a friend named Bill, investigates by fishing in the area. They discover that sharks have moved into the swamp, likely due to low water levels and increased temperatures. This change in the ecosystem explains the absence of alligators, as the sharks have become the new apex predators.

What unusual observation did the team make at the alligator spot?

• There were no alligators present.

• The area was flooded.

• There were more alligators than usual.

• The water was frozen.

Who is Bill in the context of the investigation?

• A wildlife expert.

• A park ranger.

• Zach's friend with fishing equipment.

• A local fisherman.

What did the team suspect was causing the absence of alligators?

• A shark.

• A new predator.

• A disease.

• A drought.

What did the team catch that confirmed their suspicions?

• A shark.

• An alligator.

• A turtle.

• A large fish.

What environmental condition was mentioned as attracting sharks?

• Cold temperatures.

• High water levels.

• Abundant food supply.

• Low water levels and warm temperatures.

What did the team notice about the sharks they caught?

• They were all tagged.

• They were all adults.

• They were all juveniles.

• They were all injured.

What impact did the sharks have on the alligator population?

• The alligators started hunting sharks.

• The alligators became more aggressive.

• The alligators increased in number.

• The alligators moved away.

What change in the water was noted by the team?

• The water became saltier.

• The water level rose significantly.

• The water became colder.

• The water became clearer.

What is the primary reason for the sharks' presence according to the team?

• Warmer water temperatures.

• Migration patterns.

• Increased food supply.

• Human activity.

What is the team's main concern about the ecosystem?

• The rise in water levels.

• The presence of new plant species.

• The disappearance of alligators.

• The increase in fish population.