Circadian Rhythms
Presentation
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Biology
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11th - 12th Grade
•
Medium
Ariane Holder
Used 16+ times
FREE Resource
7 Slides • 9 Questions
1
Animal Defences
Recap - what do you remember?
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Multiple Select
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Multiple Select
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Circadian Rhythms
What do you know?
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Multiple Select
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Multiple Choice
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Multiple Choice
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Open Ended
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Open Ended
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Fill in the Blanks
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Feedback Loops
There are 2 feedback loops that control a circadian rhythm - 'Per' and 'Tim'
Per is regulated by reoccurring and regular changes to the environment - such as the moon, tides, and seasons.
Tim is regulated by light only.
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Their Circadian Rhythm allows an animal to anticipate and prepare for the changes in the physical environment that are associated with day and night.
This ensures they will “do the right thing” at the right time of the day".
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Open Ended
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Activity
Research the following animals and identify the impacts of their Circadian Rhythms have on their behaviours. Create a short factsheet on them ready to hand in next week!
Speckled Sea Louse
Arctic Reindeer
Honeybees
Killer Whale - new-borns and mums
Animal Defences
Recap - what do you remember?
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