What material forms most mountains at subduction zones?
A. mantle lithosphere
B. crust and mantle lithosphere
C. crust
Answer: C
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All of the following illustrate the relationship of mutualism except
a. oxpeckers and black rhinoceros b. Epiphytes c. clownfish and sea anemone d. bacteria in the digestive system of animals e. flowering plants and insects
What kinds of factors might help explain why the actual global patterns of average daily insolation shown in Figure 11-7 are not uniform by latitude? For example, notice equatorial Africa in December and western North America in June.
What will be an ideal response?
The level of the atmosphere with the highest temperatures is the:
A) troposphere. B) thermosphere. C) stratosphere. D) mesosphere.
Symbiosis involves ________ between members of different species
A) competition B) cooperation C) interbreeding D) equilibrium E) predatory behavior