Concept explainers
To explain: The reason for which the secondary growth portion of the root is no longer involved in absorption once the secondary growth occurred.
Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.
To explain: The region where the absorption of water and dissolved minerals occur in plants that have roots with secondary growth.
Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.
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Biology (MindTap Course List)
- Why can xylem transport water and minerals using deadcells, whereas phloem requires living cells?arrow_forwardHow are roots able to concentrate some nutrients and exclude others?arrow_forwardDiscuss which pathway permits the passage of most solutes and water inside the roots? Which pathway allows the entry of most of the water and some of the solutes inside the root tissue? Explain how the Casparian strip creates a barrier for substance moving through this pathway and how it is circumvented.arrow_forward
- Explain why carrots, raddish and turnips are classified as roots. Why have they become fleshy?arrow_forwardDescribe how roots absorb positively charged mineral ions by the process of cation exchange.arrow_forwardWhat is the difference between primary growth in stems and primary growth in roots?arrow_forward
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning