The evolution of a large number of species, each adapted to a distinct way of life, from a single ancestor describes
A) allopatric speciation.
B) polyploidy.
C) adaptive radiation.
D) sympatric speciation.
C
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Coal is composed of
A. a combination of oil-rich sediments and calcareous ooze. B. petrified wood. C. buried plant material that has partially decayed. D. buried animal material that has partially decayed.
Heat is energy in the process of being transferred from:a
hot objects to cold objects. b. low pressure to high pressure. c. cold objects to hot objects. d. high pressure to low pressure. e. regions of low density toward regions of high density.
Compare convection inside Earth with convection in the atmosphere. How are they similar? How are they different?
What will be an ideal response?
Which of the following drives deep-water circulation?
A) The sinking of cold, high-salinity, surface waters at high latitudes B) The sinking of cold, high-salinity, surface waters at low latitudes C) The sinking of warm, high-salinity, surface waters at high latitudes D) The sinking of warm, high-salinity, surface waters at low latitudes E) The sinking of warm, low-salinity, surface waters at low latitudes