EXTERNAL GILL
(noun)Definitions
There is 1 meaning of the phrase
External Gill.
External Gill - as a noun
Occurs in some mollusks and in tadpoles and other immature amphibians
Example Sentences
"The fish had external gills that allowed it to breathe underwater."
"The tadpole's external gills disappeared as it transformed into a frog."
"The salamander uses its external gills to extract oxygen from the surrounding water."
"The larvae of some insects have external gills for respiration."
"The presence of external gills distinguishes certain amphibians from other species."