Is any form of adaptation coevolution?
a. Yes, evolution always happens in response to environmental change.
b. Yes, other species are always part of an organism's environment.
c. No, only evolution as an action–reaction response to a selection pressure imposed by interact-ing organisms on each other qualifies as coevolution.
d. No, coevolution is by definition limited to mutualistic interactions.
C
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A. ascus. B. basidium. C. sporangiophore. D. mycorrhiza. E. conidia.
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A. some B. all C. none D. 5-10% of the motor units E. 10-15% of the motor units