Through natural selection, different species of birds called honeycreepers have shared resources by evolving specialized beaks to take advantage of certain types of food such as insects, seeds, fruits, and nectar from certain flowers. This is called ____.
A. the competitive exclusion principle
B. resource partitioning
C. population distribution
D. interspecific competition
E. mimicry
Answer: B
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Prior to 1846, what country shared governance of the Oregon Territory with the United States?
A) The French B) The Russians C) The British D) The Spanish
Which of the following associations of countries and their capitals is not correct
A. Turkey/Istanbul B. Iraq/Baghdad C. Iran/Tehran D. Jordan/Amman
Which of the following were used by Wegener to support the continental drift hypothesis? CHOOSE ALL THAT APPLY.
a. evidence for glacial ice near the North Pole b. matching geologic units in the Appalachian and Caledonian Mountains c. Mesosaurus fossils found on South America and Africa d. major coal fields found in the eastern United States e. the jigsaw fit of the continents
On a weather map of the Northern Hemisphere, one would observe the westerlies ____
A) north of the subpolar lows B) south of the subtropical highs C) between the doldrums and the horse latitudes D) between the subpolar lows and the subtropical highs