The notion that the traits that help a species survive and reproduce are passed along more frequently than those that do not is known as
A) Lamarckianism. B) gradualism.
C) punctuated equilibrium. D) natural selection.
D
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Which contributes more to an atom's mass: electrons or protons? Which contributes more to an atom's size?
A. Protons contribute more to both the mass and size of an atom. B. Protons contribute more to an atom's mass, while electrons contribute more to its size. C. Electrons contribute more to an atom's mass, while protons contribute more to its size. D. Electrons contribute more to both the mass and size of an atom.
What is the approximate width of the Souris River floodplain?
The following questions are based on Map T-4, a portion of the “Voltaire, North Dakota” quadrangle (scale 1:24,000; contour interval 5 feet) and Figure 40-4, a stereogram of the same region showing the Souris River (48°06'23"N, 100°48'05"W). What will be an ideal response?
Which instrument obtains air temperature by measuring emitted infrared energy?
A) radiometer B) bimetallic thermometer C) electrical resistance thermometer D) thermograph
If we use a 24-hour day to represent Earth's history, humans would have existed for the last:
a. 1 minute. b. 1 hour. c. 2 hours. d. 5 hours. e. 12 hours.