Which of the following is an adaptation found in sharks to prevent sinking, given they lack a swim bladder?
Show answer and explanation
Correct answer: Oil-rich liver along with continuous swimming
Sharks utilize a large liver filled with squalene (oil) to aid buoyancy and must swim continuously to create dynamic lift with their pectoral fins. Without these mechanisms, their denser bodies would sink in the water column.
Practice all 40 Adaptations for Aquatic and Aerial Movement questions
Keep practicing
More Adaptations for Aquatic and Aerial Movement questions
- In aerial animals, the modification of forelimbs into wings is an example of:
- Which respiratory adaptation in birds ensures a continuous supply of oxygenated air to the lungs during both inhalation and exhalation?
- The 'lateral line system' in fishes is an adaptation that helps in movement by:
- Which type of feathers provide the smooth, streamlined surface of a bird's body?
- In amphibians like frogs, 'webbed feet' are an adaptation for:
- The 'furcula' (wishbone) in birds is an adaptation that: