Several unrelated species of spiders have evolved social behaviors presumably in response to selective pressures brought on by high density.The closest relatives of these spiders lack these behaviors.These social behaviors are likely examples of _______ evolution, which is a form of _______.

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The Answer of Several unrelated species of spiders have evolved social behaviors presumably in response to selective pressures brought on by high density.The closest relatives of these spiders lack these behaviors.These social behaviors are likely examples of _______ evolution, which is a form of _______.

Several Unrelated Species of Spiders Have Evolved Social Behaviors Presumably