Silver Burdett Science Program

Silver Burdett Science Program

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LEFT: The diagrams illustrate two types of root systems, the taproot (top) and fibrous root (bottom). RIGHT: The photomicrograph shows an enlarged view of a section of a root. The one-celled root hairs, through which water enters the roots, anbsp;...

Title:Silver Burdett Science Program
Author:George G. Mallinson
Publisher: - 1965


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