Submitted by admin on Thu, 04/24/2014 - 20:09
definition:
The tailed aquatic larva of an amphibian (frog, toad, newt, or salamander), breathing through gills and lacking legs until the later stages of its development.
sentence:
As the tadpoles become frogs, the gills initially used to breathe are replaced with lungs.
difficulty:
medium
toefl frequency:
2
toefl classification: