Which of the Following Could Be an Ultimate Explanation for the Behavior

question 60

Multiple Choice

Which of the following could be an ultimate explanation for the behavior of migration in birds?

• A) Decreasing day length in the fall influences a bird's circadian rhythm, which triggers flight behavior.
• B) Birds use a sun compass to orient as they fly south in the fall.
• C) Birds fly south in the fall because food resources are more plentiful there in the winter.
• D) none of the above

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Definitions:

Pretest Loop

A Pretest Loop is a control structure which evaluates its condition before executing the loop's body, e.g., a 'for' or 'while' loop in programming.

Fixed-Count

Refers to a situation or a loop where the number of iterations is predetermined and does not change during its execution.

Tested Condition

A Boolean expression evaluated in control structures like if statements and loops to control the flow of execution based on its truthfulness.

Posttest Loop

A loop that executes its body at least once before checking its condition at the end of each iteration.