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The root system is the descending (growing downwards) portion of the plant axis. When a seed germinates, radicle is the first organ to come out of it. It elongates to form primary or the tap root. It gives off lateral branches (secondary and tertiary. roots) and thus forms the root system.
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In plants, just as in animals, similar cells working together form a tissue. When different types of tissues work together to perform a unique function, they form an organ; organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system, and a root system.
1. KEY CONCEPTS. The principal functions of roots are absorption of water and nutrients, conduction of absorbed materials into the plant body, and anchorage of the plant in the soil. Many roots have relationships with bacteria and fungi in the rhizosphere (soil zone near the root). The root is initiated in the embryo as the radicle.
The 13 articles in this ebook highlight the latest results, approaches, and resources in root systems biology. One challenge when studying roots is their multicellular complexity.
Roots, Prefixes, and Suffixes in Biology. Unit 1: Study of Biology. Root/Prefix/Suffix. Meaning & Examples. not, without: abiotic. bio-. life, living: biodiversity.
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This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structure, and the major regions of a plant root. It also talks about the different forms of roots that have specialized functions. ..
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Roots help to anchor a plant, absorb water and minerals, and serve as storage sites for food. Taproots and fibrous roots are the two main types of root systems. In a taproot system, a main root grows vertically downward with a few lateral roots.
