A Moment of Science
The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death.
Did you know that caterpillars are territorial? Learn about the "Tapping Caterpillars" on this Moment of Science.
Scientists aren’t exactly sure how butterflies evolved this way, but evidence suggest that these ears might be evidence that bats created butterflies by driving moths into the daylight. The idea is that with the evolution of bat echolocation, moths had to find some way of avoiding the predator’s jaws.
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