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In a(n)____________________ feedback control system,output is regulated to resist change so that the controlled variable is kept at a relatively steady set point.
Plant Cells
Eukaryotic cells that are part of a plant, characterized by a cell wall, chloroplasts for photosynthesis, and a large central vacuole.
Stoma
Tiny openings or pores found on the surface of leaves and stems that allow for gas exchange between the plant and its environment.
Guard Cells
Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange and water loss by controlling the opening and closing of stomata.
Abscisic Acid
A plant hormone that regulates plant growth and development, particularly in response to stress conditions like drought.
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