You look outside and realize that your grass needs to be mowed. You pick up the container of gasoline and see that you have approximately a third of a gallon left. You hypothesize that this amount will be enough to mow your entire lawn. Unfortunately, half way through mowing your lawn you run out of gasoline. You grumble and think to yourself that the next time you mow the lawn, you hypothesize
that you will need to have at least two-thirds of a gallon of gasoline available. How did the results of your lawn-mowing experience influence the validity of your new hypothesis for future gasoline needs?
A. Your prediction proved that your hypothesis is correct.
B. Your hypothesis was supported by trial and error. One more trial added to your data set.
C. The hypothesis was invalidated by your experimental evidence.
D. Your prediction of future gas needs is based on experimental data and therefore increases the validity of your hypothesis.
D
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The heavy line in the figure above illustrates the relationship between auxin concentration and cell growth in stem tissues. If the same range of concentrations were applied to lateral buds, what curve(s) would probably be produced?
A) I B) II C) III D) II or III E) I or III
Core-periphery inequalities are commonly found within core countries
Indicate whether this statement is true or false.
In angiosperms, where does pollen production take place?
a. megasporangium b. antipodal cells c. microsporangium d. synergid cells
Which of the following is mismatched?
A. proteomics-the study of species' proteins B. bioinformatics-the study of genomic and proteomic information using computer analysis C. polymerase chain reaction-process that separates DNA fragments according to size D. genomics-the study of the genomes of humans and other organisms