Examlex
Which of the following would generate positive externalities?
Primary Xylem
The initial form of xylem (the water-conducting tissue in plants) developed during growth, responsible for the transport of water and nutrients.
Collenchyma
A type of plant tissue characterized by its living, elongated cells with unevenly thickened walls that provide structural support.
Sclerenchyma
A type of plant tissue specialized for support and strength, characterized by cells with thickened lignified walls.
Cutin
A waxy hydrophobic polymer present in the cell walls of plant epidermal cells, forming a protective barrier against environmental stress.
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