Does temperature affect your heart rate?
Yes it can. The colder you are the slower your heart rate will get. Especially in situations like hypothermia.
In a few sentences summarize what you have learned about the relationship between temperature and daphnia heart rate?
There is a direct correlation between heart rate and temperature. An increase in temperature, from normal, causes heart rate to increase. A decrease in temperature, from normal, causes heart rate to decrease. >>That is not completely true. For A science fair project i tested this and we found that in extremes of hot and cold climates our heart rate increased both times