Examlex
In aquatic ecosystems, the major agents of decomposition are
Companion Cells
Plant cells that are intimately associated with sieve tube elements in the phloem and help in the transport of substances essential for the plant's metabolism.
Phloem
The vascular tissue in plants responsible for transporting sugars, proteins, and other solutes throughout the plant.
Collenchyma
A type of plant tissue composed of elongated cells with thickened cell walls that provide structure and support, especially in areas of new growth.
Sclerenchyma
A type of plant tissue known for its thick, lignified cell walls, which provide structural support.
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