Incredible Encased Caddisflies
In Incredible Encased Caddisflies, Ranger Hamza and the Ramblers explore a slow-flowing river. Join the Ramblers to learn about the life cycle of a caddisfly and how it uses materials and silk to create protective armor. This video is excerpted from BBC's Ranger Hamza’s Eco Quest, a nature exploration show in which Ranger Hamza and the Ramblers go on quests to discover nature’s wonders and the important role they play in our environment.
Lesson Express
Q: What does the caddisfly use for protection?
A: It uses a casing the larvae made out of material it found in the river. In this example, the casing is made of bivalve shells.
Q: How do caddisflies bind things to themselves?
A: They use silk they make in their bodies.
Q: Does the caddisfly remind you of any other bugs that you know about? Which ones?
A: Students may talk about the life cycle of a butterfly or another insect that lives in water. Or they may talk about spiders that also produce silk.
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