SAT Subject Biology Practice Question 237: Answer and Explanation

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Question: 237

7. The first terrestrial forests depended on the evolution of which plant structure?

A. Flowers
B. Naked seeds
C. Covered seeds
D. Vascular tissue
E. Deciduous leaves

Correct Answer: D

Explanation:

Terrestrial forests, the first of which developed in the Devonian period, are characterized by plants that grow to great height. Vascular tissues transport water and minerals from the roots to the leaves, enabling plants to grow tall.

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