The discovery of identical plant and animal fossils by Alfred Wegener in 1915 on either side of the Atlantic Ocean is
evidence of ____.
a. analogous structures
b. catastrophism
c. plate tectonics
d. comparative morphology
e. the great chain of being
ANSWER: c
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The origin of a new plant species by hybridizing two existing species, coupled with accidents during cell division, is an example of _____
A) allopatric speciation and autopolyploidy B) sympatric speciation and allopolyploidy C) allopatric speciation and allopolyploidy D) sympatric speciation and autopolyploidy
Water may be lost in the form of liquid from the surface of leaves through a process known as
A. mesophyll adhesion. B. aeration. C. cohesion. D. guttation. E. phloem loading.
Bird song
a. has to be heard before a bird can sing it. b. is learned during early life. c. is specific for each bird species. d. has a genetic component. e. includes all of these.
For a parameter that is identified, what should happen to the 95% confidence interval as the sample size gets larger?
A. The left tail should get larger. B. The right tail should get larger. C. The width of the interval should get smaller. D. The width of the interval should get wider.