Options:
Cougars prey on both white-tailed deer and mule deer. Because of their shared predator, each deer's species abundance is affected by the presence of the other deer species. The white-tailed and mule deer are engaged in a(n) direct interaction. Thus, the correct option is B.
Direct interaction, as the name implies, are the direct effects of one person on another when they are not mediated or communicated through a third person.
It is a apparent mutualism when two individuals which do not compete for resources directly affect one other indirectly by becoming prey for the same predator, this is known as seeming competition.
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