Biology: Concepts and Applications (MindTap Course List)
10th Edition
ISBN: 9781305967335
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 25, Problem 9SA
Summary Introduction
To determine:
Whether an onion is a root or a stem.
Introduction:
The one function of the stem in plants is to provide support, and the other function is to provide the position to leaves for photosynthesis. The function of roots in a plant is the transportation of water and minerals, storage and food (in some plants) and it anchors it in the soil.
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Ex: Mr. Mandarich wanted to see if the color of light shined on a planthad an effect on the number of leaves it had. He gathered a group ofthe same species of plants, gave them the same amount of water, anddid the test for the same amount of time. Only the color of light waschanged.
IV:DV:Constants:Control Gr:
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