A Farmer Uses Triazine Herbicide to Control Pigweed in His

question 6

Multiple Choice

A farmer uses triazine herbicide to control pigweed in his field.For the first few years,the triazine works well and almost all the pigweed dies;but after several years,the farmer sees more and more pigweed.Which of these explanations best describes this observation?

• A)The herbicide company lost its triazine formula and started selling poor-quality triazine.
• B)Natural selection caused the pigweed to mutate,creating a new triazine-resistant species.
• C)Triazine-resistant pigweed has less-efficient photosynthesis metabolism.
• D)Only triazine-resistant weeds survived and reproduced,so each year more pigweed was triazine-resistant.

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Definitions:

Anarchist Ideas

Political theories and philosophies that advocate for the abolition of centralized state authority, emphasizing freedom, voluntary association, and mutual aid.

German Revolutionaries

Individuals or groups in Germany who advocated for or participated in revolutionary activities, particularly those aimed at achieving political, social, or economic change.

German Unification

The process of uniting the various independent German states into a single nation, culminating in 1871 with the formation of the German Empire.

Prussia or Austria

Prussia and Austria were two of the most powerful states within the Holy Roman Empire and later in the German Confederation, playing crucial roles in European politics until the early 20th century.