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14 Plant Physiology

Chapter 14 Terms (Berean)

TermDefinition
Physiology the study of how an organism (or any one of its parts) functions
Vegetative reproduction asexual reproduction in plants in which a new plant grows from a fragment of the parent plant
Germination the process by which a seed develops into a seedling
Cryptochromes photoreceptors in bacteria, animals, and plants that detect blue and ultraviolet light and contribute to the circadian rhythms that result
Photoperiodism the response of an organism to the seasonal changes in day length
Perennial a plant that lives for multiple growing seasons
Abscission a process in which the plant seals off its connection to a leaf, causing the leaf to die and fall off
Dormancy the state in which normal physical functions are suspended or slowed down
Senescence the process of aging that leads to death
Tropism the response of a plant to an environmental stimulus whereby roots, stem or leaves move toward or away from the stimulus
Phytochromes photoreceptors in bacteria, protists, fungi, and plants that are responsible for detecting red light and far-red light
Thermoperiodism the responses of a plant to changing temperatures during the changing seasons
Apical dominance the influence of the shoot tip to inhibit the growth of lateral buds, reducing branching
Biennial a plant that lives for two growing seasons, flowering in the second one
Quiescence a short-term resting state in seeds where growth of the embryo is suspended
Pollination transfer of pollen from a stamen to a pistil
Annual a plant that lives for one growing season
Pressure-flow the movement of a solute due to somatic pressure from a source (high turgor pressure) to a sink (low turgor pressure)
Created by: BiologyHaupt
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