Summary
Antlers are bone that grows, hardens, and falls off every year -- the fastest-growing bone of any animal. Deep Look films how reindeer and deer build and shed these amazing head structures season after season.
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All ages
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Teaching resources
Discussion questions
Talk about it
Antlers are living bone that sprouts fast each year, hardens for the season, then drops and regrows. This yearly cycle gives deer new headgear for display and defense.
- How are antlers different from a permanent structure like your bones?
- What jobs do antlers do for a deer or reindeer?
- Why might it help an animal to grow and shed a structure each year?
Quick work-a-long
Vocabulary: antler, bone, grow, shed.
Try it: Look at how your fingernails grow and get trimmed. Write how antlers, too, are a body part that keeps regrowing.