The World Used To Be Full of Giant Tortoises

The video explores the unique anatomy and evolution of giant tortoises, focusing on their shells, breathing methods, and evolutionary history. It highlights the differences between Galapagos and Aldabra tortoises, their habitats, and diets. The video also discusses Foster's rule and the historical distribution of tortoises, emphasizing their survival and unique adaptations. The conclusion reflects on the human perspective of evolutionary rules and the tortoises' role as rule-breakers.

What is the primary function of the unique abdominal muscles in giant tortoises?

• To aid in their breathing process

• To digest their food more efficiently

• To help them swim faster

• To support their heavy shells

Which of the following is true about the Galapagos and Aldabra giant tortoises?

• They both primarily inhabit the same islands.

• They are each other's closest evolutionary relatives.

• They have a carnivorous diet.

• They evolved to become giants independently.

What does Foster's rule or the island rule suggest about animal size on islands?

• Animals tend to remain the same size.

• Larger animals become smaller, and smaller animals become larger.

• All animals become larger.

• All animals become smaller.

How did giant tortoises likely reach the Seychelles and Galapagos islands?

• By walking across land bridges

• By flying

• By drifting on ocean currents

• By being transported by humans

What is unique about the shoulder blades of giant tortoises compared to most vertebrates?

• They are located outside the rib cage.

• They are fused with the skull.

• They are inside the rib cage.

• They are absent in giant tortoises.