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Students hypothesized that their normal pulse rates would double after doing 50 sit-ups. After completing three trials, four students averaged their individual pulse rates and recorded their results. Student 1 had an average pulse rate of 120 beats p
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
What is the difference between a scientific observation and a scientific theory?
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
Which of the following best describes the use of population models in biology?
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
A computer model of cellular mitosis can simulate the aspects of cellular division quite well. However, microscopic observation of actual cellular mitosis can improve understanding because actual observations
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
Two students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. Which of the following could be an unavoidable source of experimental error?
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
The jackrabbit population sometimes decreases dramatically. One possible explanation for this decrease is that the coyote population has increased. This explanation is a scientific
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
Which of the following is not part of the scientific method?
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
In most stable freshwater environments, populations of Daphnia are almost entirely female and reproduce asexually. However, males are observed in low oxygen environments or when food is scarce. Based on these observations, a researcher suggests that
graphing
control data of normal pulse rates for each individual are missing.
They can help predict outcomes.
variation in the strawberry plants
may reveal greater unknown complexities.
hypothesis.
A scientific theory is a hypothesis that has been tested and confirmed many times by different scientists; an observation is
hypothesis.
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