Ants That Specialize on Harvesting One Species of Tree Leaves

question 56

Multiple Choice

Ants that specialize on harvesting one species of tree leaves can optimally exploit that resource but are in trouble if their food tree declines,whereas generalist ant species can switch to other foods.The rate at which these two lineages speciate and go extinct differs,a phenomenon labeled

• A)stabilizing selection.
• B)directional selection.
• C)catastrophic species selection.
• D)effect macroevolution.

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