• What is the life cycle of butterflies and moths?
• How does a caterpillar turn into a butterfly?
• Why do caterpillars turn into butterflies?
• How do caterpillars "know" when it is time to turn into a chrysalis?
• What is the red liquid that comes out of a butterfly's abdomen after emergence?
• Do caterpillars breathe in their chrysalis?
• What is the difference between a chrysalis and a cocoon?
• Does a butterfly eat the chrysalis after it emerges?

Stages of the Monarch (Danaus plexippus) life cycle (from left): caterpillar, chrysalis, adult.