Biological rythms describe the frequency of a particular behaviour. This may be daily, weekly, monthly, yearly or in time with the moon. We give these flashy names so we can refer to them quickly. These take on the form circa and then a descriptor of thier frequency (how often they repeat). They are described as circa as they are only appoximate, as animals do not have an accurate mechanical clock.
These titles are:
They look hard, but by breaking them down they become easy to remember
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Humans wake up every day, they are: |
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Corrals bloom on the full moon: |
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Crabs hide as the tide goes out. This is: |
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Whales migrate to the tropics each year. This is: |