You Are Holding a Small Textbook in Your Hand, and You

question 53

Multiple Choice

You are holding a small textbook in your hand, and you begin to flex your elbow to raise the book. You stop with your elbow flexed at about 90 degrees, and the book held out in front of you. What is occurring in your biceps muscle at this time?

• A) your biceps is in a state of unfused tetanus
• B) your biceps is latched
• C) Ca²⁺ is elevated in biceps muscle fibers
• D) both your biceps is in a state of unfused tetanus AND Ca²⁺ is elevated in biceps muscle fibers
• E) both your biceps is latched AND Ca²⁺ is elevated in biceps muscle fibers

Understand how signals in males can be interpreted as honest based on the theory of sexual selection.

Compare different hypotheses explaining the indirect benefits of female mate choice.

Recognize the impact of sexual conflict on the evolution of reproductive strategies and morphology.

Analyze the strength of sexual selection among males in different species based on reproductive data.

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Definitions:

Defined Contribution Plan

A retirement plan where both the employee and employer contribute to an account, with the final benefit dependent on account performance.

Risk-free Return

The theoretical return on an investment with no risk of financial loss, typically less than the return on riskier investments.

Defined Contribution Plan

A retirement plan where an employee, employer, or both make contributions on a regular basis, with future benefits fluctuating based on investment earnings.