(Figure 22.27) What caused changing tree distributions seen in the figure? As global warming increases temperatures, what can be expected to happen to tree distributions of spruce, hemlock, and oak?
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Q51: About 250 million years ago, all of
Q52: Which of the following is NOT a
Q53: Q54: Eventually _ split into South America, Africa, Q55: In which biogeographic region is Egypt? Q57: Landmass movement occurs because islands of _ Q58: About 150 million years ago the single Q59: In which biogeographic region is the United Q60: Eventually _ split into North America, Europe, Q61: On which type of island should we
A) Neotropical
B)
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