Mighty Feathers Pt. 1
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Question 1 of 10
1. Question
MIGHTY FEATHERS PART 1: Another name for the main shaft of the feather is the rakious sporangia.
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Question 2 of 10
2. Question
MIGHTY FEATHERS PART 1: The shaft of the feather and all the rest of the feather is made of a protein called keratin.
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Question 3 of 10
3. Question
MIGHTY FEATHERS PART 1: Keratin is a protein that also makes up lion claws, horse hooves, rhino horns, your skin, and your knee caps.
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Question 4 of 10
4. Question
MIGHTY FEATHERS PART 1: Feathers are made in a small tube called a rachis feather.
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Question 5 of 10
5. Question
MIGHTY FEATHERS PART 1: Egrets and herons produce continuously growing talcum down feathers. The down feather’s tips break off and create a cleaning powder.
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Question 6 of 10
6. Question
MIGHTY FEATHERS PART 1: The plumule feathers and the afterfeathers of the emperor penguins hold just the right-sized air bubbles.
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Question 7 of 10
7. Question
MIGHTY FEATHERS PART 1: The emperor penguin’s 90,000 feathers are squeezed by muscles attached to the outer feathers. A micro-bubble air tunnel emerges from their feathers which coats the swimmers like a jacket.
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Question 8 of 10
8. Question
MIGHTY FEATHERS PART 1: The emperor penguin’s “bubble jacket” lets them swim 6-times faster which helps them zip past enemies and pop out of the water onto icebergs.
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Question 9 of 10
9. Question
MIGHTY FEATHERS PART 1: The peacock’s astonishing “eye feather” shockingly has no color. It’s instead has flat, exact-width keratin-layered mirror barbules.
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Question 10 of 10
10. Question
MIGHTY FEATHERS PART 1: Peacocks have flat, exact-width keratin-layered mirror barbs. They destroy and amplify light. The “eye feathers” are actually light destroying and light amplifying feathers.
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