Many Weeds Have Become Resistant to the Herbicides That Were

question 72

Multiple Choice

Many weeds have become resistant to the herbicides that were once used to control them.Which of the following statements best explains this observation?

• A) The weeds have evolved to become different species.
• B) The herbicides have evolved and are no longer effective against the weeds.
• C) Continental drift has caused the evolution of weed resistance in the herbicides.
• D) Natural selection has acted on the genetic variability in the weeds' genomes, enabling plants that have herbicide resistance to reproduce more successfully.

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Definitions:

Sexual Responsiveness

The degree of physical and emotional reaction to sexual stimulation, which can vary widely among individuals.

Sexual Response Cycle

The four phases—excitement, plateau, orgasm, and resolution—that make up the human sexual response in both males and females, according to Masters and Johnson.

Resolution Stage

The final phase in the conflict resolution process where an agreement is reached and the conflict is resolved.

Human Sexual Response

describes the physiological and psychological patterns humans experience during sexual activities, often divided into stages like arousal and orgasm.