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The loss of stickleback pelvic spines is similar to the loss of which body parts in some other four-legged vertebrates?
A. divergent thumbs
B. fins
C. hind limbs
D. gills
The pelvic spines in the stickleback are modified what?
A. legs
C. limbs
What is a good generic definition of a hypothesis?
A. A combination of politics and scientific research to answer important questions for the general population.
B. An educated guess or expected answer to a scientific question based on prior knowledge and observation.
C. A prediction concerning a natural phenomenon based on personal observations in the natural world.
D. A theory that can easily be proven by conducting a few simple experiments.
Which is a properly written hypothesis?
A. The rose will grow tomorrow with sunlight.
B. If we take a rose outside and leave it, I think the sun will help it grow.
C. Roses will grow larger if given proper sunlight and nutrients.
D. I believe that increased sunlight and nutrients will allow roses to grow larger.
Which hypothesis states that no statistical significance exists between the independent and dependent variable?
A. simple hypothesis
B. null hypothesis
C. complex hypothesis
D. alternative hypothesis
E. statistical hypothesis
What is the purpose of the "control" in a controlled experiment?Explain the difference between a theory and a hypothesis, and givean example of each.
Suppose I say "In the beginning God created the heavens and theearth." Is that a scientific hypothesis? If so, what predictionsdoes it make, and what sort of evidence would be necessary tofalsify it? (Remember, we say that a scientific hypothesis shouldbe falsifiable, which means not that it must be disproved, but thatit's possible to imagine data that, if they were found, woulddisprove it.). Keep in mind one could come from the oppositedirection and say "There is no deity, but instead everythingemerged by pure chance." Is this a scientific hypothesis?