The Endogenous Nature of Biological Rhythms Is Based on the Observation

question 61

Multiple Choice

The endogenous nature of biological rhythms is based on the observation that animals isolated from light and dark cues

• A) continue to have cycles of exactly 24 hours in duration.
• B) continue to have cycles of approximately 24 hours in duration-some more rapid, some slower.
• C) synchronize activity with whatever lighting cycle is imposed on them.
• D) cease having any rhythms.
• E) are independent of any genetic determinants.

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Definitions:

Table

A method for organizing data in rows and columns to facilitate analysis and representation.

Probabilities

A calculation that determines the chances of an event occurring, with values between 0 and 1 to signify probability.

t-Table

A table used in statistics that shows the critical values of the t-distribution, used in hypothesis testing and constructing confidence intervals.

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without violating any constraints.