Answer:
A scientist wants to stop all vascular plants from photosynthesizing. He decides to send his students out to cut off the structures in plants where most photosynthesis takes place. Which structures should his students remove?
A. Leaves
B. Steams
C. Roots
D. Flower
A is the correct answer
Step-by-step explanation:
The Vascular plants are most conspicuous groups of land plants, they contains tissues that transport water and other substances throughout the plants. By late Devonian period plants had evolved vascular tissue, well defined leaves and root system. The first fossil that show the presence of vascular tissue date to the Silurian period, about 430 million years ago. the simplest arrangement of conductive cells shows a pattern of xylem at the center surrounded by phloem, Together xylem and Phloem tissue form the vascular system of plants.