Submitted by admin on Mon, 04/28/2014 - 18:42
definition:
(In an insect or amphibian) the process of transformation from an immature form to an adult form in two or more distinct stages
sentence:
All flies undergo complete metamorphosis with egg, larval, pupal, and adult stages in their development.
difficulty:
hard
toefl frequency:
2
toefl classification: