Both ________ and ________ can change local species diversity but not global species diversity?
A) emigration; extinction
B) speciation; extinction
C) extirpation; extinction
D) speciation; immigration
E) immigration; extirpation
E
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In order for a hurricane to form, how deep must the surface layer of warm ocean water extend to?
A. 40 metres B. 200 metres C. 20 metres D. 400 metres
Uniformitarianism is the assumption that ____
a. principles of one branch of science apply to other branches of science b. catastrophic events don’t impact Earth processes c. younger sedimentary rocks are at the top of rock sequences d. current rates of atmospheric warming are unsustainable e. present-day geological processes also occurred in the past
What is most likely to happen at an artificially nourished beach?
A. More erosion due to smaller beach B. Less erosion due to smaller beach C. Less erosion due to larger beach D. More erosion due to larger beach
Why do tropical rainforests usually have poor soils?
What will be an ideal response?