An overall average rate of soil formation might be about ____ per century
A)2.5 cm
B)25 cm
C)2.5 m
D)25 m
E)250 m
A
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Any of the so-called lower primates, including tree shrews, lemurs, lorises, and tarsiers:a
australopithecines d. hominoids b. prosimians e. anthropoids c. hominids
A complete _____ involves rifting of a continent and the opening of an ocean basin with passive continental margins on both sides
A)Archean cycle B)orogeny C)Wilson cycle D)rift sequence E)tide sequence
Which of the following is NOT a recommended strategy for observing a landscape?
A. Examine complexities of each feature rather than grouping features into types. B. Observe the entire landscape first and then focus on smaller parts, one part at a time. C. Focus on one type of feature at a time, noting where this type of feature is present. D. Examine relationships between different features.
Indicator species are important because
A. they suggest the level of resilience an ecosystem will have. B. they suggest the health of the population. C. they suggest that a barren ecosystem will soon recover. D. their presence indicates something about the ecosystem as a whole.