Joseph Connell Discovered That Balanus Barnacles Were Excluded from the Upper

question 33

Multiple Choice

Joseph Connell discovered that Balanus barnacles were excluded from the upper intertidal zone by ________, while Chthalamus barnacles were excluded from the middle intertidal zone by ________.

• A) competition from mussels; prolonged immersion in water
• B) competition from mussels; competition with Balanus
• C) prolonged exposure to air; competition with Balanus
• D) prolonged exposure to air; competition with algae
• E) predation by wading birds; predation by starfish

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Definitions:

Population Coefficient of Correlation

A measure of the strength of the linear relationship between two variables in a population.

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Population Coefficient of Correlation

A measure that quantifies the strength and direction of a linear relationship between two variables in a population.