Exploring science series

Exploring science series

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7. Test the effect of winter chilling on dormant buds. Each month collect a twig from some shrub such as a forsythia. Put the twig in a vase of ... How long a period of storage is needed to end their dormancy? 10. Expose houseflies to zero temperatures in a deep-freeze unit for varying lengths of time. How long can the fliesanbsp;...

Title:Exploring science series
Author:Walter A. Thurber
Publisher: - 1966


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