To a traveler flying over the Arctic tundra in winter, the landscape may appear empty and lifeless; however, a closer inspection on the ground reveals a _______ ecosystem, alive with migrating caribou, arctic foxes, and resilient mosses.
2
readingWhich choice completes the text with the most logical and precise word or phrase?
A
barren
B
vibrant
C
dormant
D
fragile
Correct Answer: B
Choice B is the best answer. The text contrasts "empty" with "alive with caribou." "Vibrant" means full of energy and life.
Choice A is incorrect because "barren" means lifeless. Choice C is incorrect because "dormant" means sleeping. Choice D is incorrect because while tundra can be fragile, the context of "alive with" demands a word emphasizing activity, like vibrant.