Note: Respond To All Questions from part A To C Hypothesis 1: Songbirds sing mor

Question

Note: Respond To All Questions from part A To C

Hypothesis 1: Songbirds sing more when the weather is warm Hypothesis 2: The number of bird songs heard per hour during daylight temperatures above 25 degrees Celsius is not significantly different from the number heard per hour at temperatures below 25 degrees Celsius Which of the above hypotheses is more useful and why? A. B. State a good hypothesis for our observations and questions about "seeds being alive" If seeds are alive, they should undergo cellular respiration. However, not all seeds are equally able to grow. Germinating seeds(those that have been incubated in water and thus activated) are much more likely to grow than dry or frozen seeds. A good hypothesis based on this observation might be that "Germinated seeds undergo cellular respiration at higher level than dry or frozen seeds" List a set of appropriate variables for an experiment that would test this hypothesis Independent variable Dependent variable: Controlled variable:

Explanation / Answer

A. The second hypothesis is more useful as it stated with the variable, temperature. We can test test hypothesis by changing the variable as it has any goodness of fit.

B. "Germinating seeds have higher level of cellular respiration in comparison with non-germinating seeds".

C.

Independent variable: Quantity of water

Dependant variable: Humidity of soil

Controlled variable: Intensity of light

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