The decline of the giant pika, a species found throughout northern North America before it became extinct around 8000 BCE, surely had a number of the larger ecosystem in which it existed. The giant pika was part of a complex food web with other organisms, and its disappearance likely affected several other species.
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Verbal·Craft and Structure·Words in Context
mediumWhich choice completes the text with the most logical and precise word or phrase?
A
similarities to
B
precedents in
C
sources in
D
consequences for