External Gill (Noun)
Meaning
Occurs in some mollusks and in tadpoles and other immature amphibians.
Classification
Nouns denoting animals.
Examples
- Tadpoles use external gills for respiration before developing lungs as adults.
- Some species of mollusks have an external gill for gas exchange at the surface of the water.
- During its larval stage, the frog develops an external gill for underwater respiration.
- External gills function as a critical respiratory adaptation for aquatic animals like tadpoles.
- The external gill of some aquatic mollusks are feathery structures with numerous filaments for gas exchange.