because they are silly and beautifully sophisticated creatures.
As caterpillars grow, their exoskeleton (skin) becomes tight on them, so they molt (lose their old exoskeleton). Ecdysone is the molting hormone of insects. It causes an insect to molt.
''Lighter side:'' So that if we lose them they can easily be replaced with two caterpillars.
They loose some of their legs, They are left with wings.
Bums! Bums!
Butterflies don't lay eggs then.
The Dharma Bums was created in 1958.
Ojai Bums was created in 2009.
The duration of Ojai Bums is 1620.0 seconds.
Bums are used for sitting on things & pooping in the toilet !!!
The Dharma Bums has 187 pages.
All the bums in the world:)
Zombie Bums from Uranus was created in 2003.