What occurs when an interaction benefits one species but has little, if any, effect on the other?
A. interspecific competition
B. predation
C. parasitism
D. mutualism
E. commensalism
Answer: E
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The roots of the Vietnam conflict began with the 1858 invasion of Vietnam by which country?
a. United States b. Great Britain c. France d. Portugal e. China
the two most important sources of heat for metamorphism are:a
intrusive magma bodies and deep burial. b. intrusive magma bodies and heat from the core. c. deep burial and volcanism. d. radioactive decay and volcanism. e. radioactive decay and deep burial
A(n) ____ atmosphere is essential for tornado development
a. absolutely stable b. conditionally stable c. conditionally unstable d. unconditionally stable e. unconditionally unstable
Human population growth affects water pollution because
A) more people produce more industrial waste that is discharged into streams and the ocean. B) people consume too much freshwater. C) people take water out of the water cycle. D) all of the above