In Studies of Two Species of Barnacles in the Marine

question 37

Multiple Choice

In studies of two species of barnacles in the marine intertidal zone it was observed that Chthamalus can live in the upper intertidal zone and the lower intertidal zone if Semibalanus is absent,and Semibalanus can only live in the lower zone because it is more subject to dehydration.Based on this,which of the following statements are true? Check all that apply.

• A)The realized niches of the two species differ.
• B)The fundamental niche of Chthamalus is larger than its realized niche.
• C)The fundamental niche of Chthamalus is larger than the fundamental niche of Semibalanus.
• D)The fundamental and the realized niches of Chthamalus are the same.
• E)The fundamental and the realized niches of Semibalanus are the same.

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Definitions:

Jim Crow

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