It only took 20 minutes for the monarch to eat this milkweed leaf. He ate 3 leaves the morning of his filming. By the end of the next day, he'd changed into a chrysalis.

National Science Education Standards

Science as Inquiry
Ask a question about objects, organisms, events. (K-4)

Use data to conduct a reasonable explanation. (K-4)

Life Science
Organisms have basic needs. For example, animals need air, water and food; plants require air, water, nutrients, and light.