Which Event During the Evolution of Land Plants Probably Made

question 23

Multiple Choice

Which event during the evolution of land plants probably made the synthesis of secondary compounds most beneficial?

• A) the greenhouse effect present throughout the Devonian period
• B) the reverse-greenhouse effect during the Carboniferous period
• C) the association of the roots of land plants with fungi
• D) the rise of herbivory
• E) the rise of wind pollination

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