Victory for the ACT Student Text 15e

296 • S CIENCE

If an experiment was set up with the temperature set at 30°C and the food intake at 30 grams, which of the following would be a reasonable prediction of the age in months of the animals when they ϐ‹”•– ‰ƒ˜‡ „‹”–Šǫ F. 7.5 G. 6.5 H. 4.5 J. 2.5 Which of the following conclusions is consistent with the data presented in the table? A. Š‡ ™‡‹‰Š– ‘ˆ –Š‡ ϐ‹”•–„‘” ‹• proportional to the food intake. B. Š‡ ™‡‹‰Š– ‘ˆ –Š‡ ϐ‹”•–„‘” ‹• ”‡Žƒ–‡† to the temperature. C. The age of the mother at time of ϐ‹”•– ‘ˆˆ•’”‹‰ǯ• „‹”–Š ‹…”‡ƒ•‡• ™‹–Š decreasing food intake. D. The age of the mother at time of ϐ‹”•– ‘ˆˆ•’”‹‰ǯ• „‹”–Š †‡…”‡ƒ•‡• ™‹–Š decreasing food intake.

If all other variables are kept constant, which of the following will result in an increase in the age at which the animals give birth? F. Increase in temperature from 25°C to 35°C G. Increase in food from 15 grams to 45 grams H. Decrease in food from 30 grams to 15 grams J. Increase in temperature from 25°C to 30°C Which of the following experiments was a control for temperature in Experiment 5? A. Experiment 1 B. Experiment 2 C. Experiment 3 D. Experiment 6

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Recognizing Trends Items #6–8

Drawing Conclusions Item #9

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TYPICAL DATA REPRESENTATION ITEMS

PASSAGE III The chart below shows the average blood pressure and relative total surface area associated with the different types of human blood vessels.

The Cambridge Edge With so much information going on at once, graphs like this can be confusing. When a graph is this complicated, preview it and then head straight into questions. Questions will ƒ• ˆ‘” •’‡…‹ϐ‹… information, which you can pick out of this complex graph.