Schoener and Spiller's Studies, in Which Lizards Were Introduced into Islands

question 50

Multiple Choice

Schoener and Spiller's studies, in which lizards were introduced into islands in the Bahamas, showed that lizards _______ the densities of common spiders and _______ the densities of rare spiders.

• A) decreased; decreased
• B) increased; decreased
• C) decreased; increased
• D) increased; increased

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