Complex Parasitism and Natural Selection
A fungal species infects tree seedlings, causing reduced growth and mortality in 70% of the infected population. The surviving 30% of infected trees, however, demonstrate enhanced drought resistance compared to uninfected trees. From the perspective of ecosystem resilience, which of the following best describes this relationship?
A
An example of ecological succession acceleration
B
A complex parasitism that may drive natural selection
C
A keystone mutualism essential for ecosystem function
D
A density-dependent commensalism relationship
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