Fill in the Blanks READINGOnline version Practice by Elisa Cornejo 1 female metamorphosis Earth emerges cycle caterpillar 1 . Butterflies have been living on for millions of years . 2 . A butterfly goes through a complete . 3 . A butterfly lays an egg on the leaf of a plant . 4 . When the is fully grown , it forms into a pupa . 5 . Later , the butterfly and flies away . 6 . This repeats itself again and again .