(A) Many of the animals that became extinct were quite large.

　　(B) Humans migrated into certain regions around the time that major

　　extinctions occurred.

　　(C) There is evidence that new species were arriving in areas inhabited by humans.

　　(D) Humans began to keep and care for certain animals.

　　24. The word "Besides" in line 13 is closest in meaning to

　　(A) caused by

　　(B) whereas

　　(C) in addition to

　　(D) in favor of

　　25. The author mentions saber-toothed cats in line 16 as an example of a carnivore that

　　(A) became extinct before the Pleistocene epoch

　　(B) was unusually large for its time

　　(C) was not able to compete with humans

　　(D) caused the extinction of several species

　　26. The word "they" in line 20 refers to

　　(A) human hunters

　　(B) game animals

　　(C) other predators

　　(D) large mammals

　　27. According to the passage, what is one difference between the hunting done by

　　some humans and the hunting done by gray wolves?

　　(A) Some humans hunt more frequently than gray wolves.

　　(B) Gray wolves hunt in larger groups than some humans.

　　(C) Some humans can hunt larger animals than gray wolves can hunt.

　　(D) Some humans prey on animals of all ages, but gray wolves concentrate

　　their efforts on young animals.

　　28. The word "favored" in line 24 is closest in meaning to

　　(A) large

　　(B) escaping

　　(C) preferred

　　(D) local

　　29. According to the passage, the imbalances discussed in paragraph 3 may have resulted from

　　(A) the effect of climate changes on large game animals

　　(B) large animals moving into a new environment

　　(C) humans hunting some species more than others

　　(D) older animals not being able to compete with younger animals

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