Face to face

This is a close up of the caterpillar's head.

What tool would a scientist need to observe the eyes?

Anatomy page for help locating structures.

"The caterpillars eat enormous quantities because they are growing fast. They will grow to 2,700 times their original size in only two weeks, molting five times in the process." 1

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Resources / Main page

1 The Monarch Butterfly and the Milkweed

Close up image of Monarch Butterfly caterpillar
eating a milkweed leaf.

Measuring Monarch Butterfly caterpillars | Identifying Activity

Comparing caterpillars | Contrasting caterpillars