Many Flowering Plant Species Have Elaborate Mechanisms to Prevent an Individual's

question 17

Multiple Choice

Many flowering plant species have elaborate mechanisms to prevent an individual's pollen from fertilizing its own egg cells.Why?

• A)to prevent inbreeding
• B)to prevent polyspermy
• C)to prevent cross-species fertilization and the production of dysfunctional hybrid offspring
• D)to prevent double fertilization and the formation of endosperm

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Definitions:

Risk-free Rate

The return on an investment with zero risk, typically represented by the yield on government securities.

Capital Asset Pricing Model

A model that describes the relationship between systematic risk and expected return for assets, particularly stocks, used in finance to price risky securities.

William Sharpe

An economist who created the Sharpe Ratio, a measure to calculate risk-adjusted return.

SML (Security Market Line)

A line in the Capital Asset Pricing Model that shows the relationship between the expected return of a security and its risk.