Why are gills inefficient for respiration on land?
Show answer and explanation
Correct answer: They collapse without water support
Gills require water to maintain their structure. On land, they collapse and lose effective surface area for gas exchange.
Practice all 20 Respiratory Adaptations: Altitude and Diving questions
Keep practicing
More Respiratory Adaptations: Altitude and Diving questions
- Which adaptation helps birds flying at high altitudes obtain sufficient oxygen?
- In fishes, oxygenated blood from gills is directly supplied to:
- Which statement best summarizes respiratory adaptations in high altitude and underwater environments?
- At high altitudes, the primary respiratory challenge faced by humans is:
- One immediate physiological response to high altitude exposure is:
- Which blood adaptation helps people living at high altitudes transport more oxygen?