EOG Review for Science

Which is likely to improve a person's respiratory and cardiovascular system the most?

• eating more vegetables

• exercising two hours a week

• quitting tobacco smoking

• taking vitamins

The picture above on the left shows an artic fox in winter. The picture on the right shows the same artic fox in summer. How did the fox most likely get this adaptation?

• The fox inherited white fur from its mother and brown fur from its father.

• The fox's parents learned to change their fur color and passed that trait to their offspring.

• In summer, the artic fox eats food that makes its fur turn brown.

• The change in fur color helped the fox's ancestors survive and reproduce.

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How does adaptation explain the evolutionary history of the horse?

• Larger, faster individuals were more likely to survive and reproduce.

• Natural selection favored the genes for a small size and the ability to hide.

• Horse ancestors evolved so that they were better adapted to transport humans.

• Individuals that learned to grow hooves passed that trait on to their offspring.

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Which is the best evidence that a series of fossils shows the evolution of the whale?

• The fossils are found in older rock layers of rock than whale fossils.

• The fossils show a gradual change to more whalelike structures.

• The fossils progress from flippers and powerful tails.

• The fossils are from mammals that are completely aquatic.

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Which is evidence that two species evolved from a common ancestor?

• They are found in the same part of the world.

• They eat the same types of food.

• Their embryos develop in the same way.

• They have the same predators and parasites.

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Which of these is not a body of freshwater?

• stream

• lake

• river

• estuary

Suppose most of the rabbits in an area suddenly die from a disease. What would happen to the population of the rabbit's predators and competitors?

• Populations of both predators and competitors would increase.

• Populations of predators would increase, and those of competitors would decrease.

• Populations of predators would decrease, and those of competitors would increase.

• Populations of both predators and competitors would decrease.

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Studying biotechnology is most likely to be used for which career?

• computer scientist

• nuclear physicist

• agricultural researcher

• archaeologist

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Which of these is best described as a pandemic?

• A student catches the flu from her younger brother.

• Three members of a soccer team come down with the flu.

• Dozens of people in two neighboring towns have the flu at the same time.

• Tens of millions of people worldwide are infected with the flu in the same year.

How do viruses differ from other disease-causing organisms?

• Viruses can be treated with antibiotics.

• Viruses are transmitted through coughing or sneezing.

• Viruses are not made up of cells.

• Viruses multiply inside infected cells.