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Unit 3: Homeostasis

Plant Tropisms

TermDefinition
Equilibrium state of balance/any unchanging condition or state of a system resulting from the balance of internal or external stimulus and the organism's response
Feedback Mechanism The response of an organism to a stimulus that causes an additional response
Geotropism plant's response to gravity
Homeostasis The maintenance of stable internal conditions of an organism/state of equilibrium
Stimulus A change in an organism's surroundings that causes the organism to react
Response a reaction or behavior of a living organism that results from an external or internal stimulus
Thigmotropism a plant's response to touch
Transpiration the process by which moisture is carried through plants from roots to stomata (tiny openings) on the underside of leaves, where it changes to vapor and is released to the atmosphere.
Tropism The growth of a plant toward of away from a stimulus such as light or gravity
phototropism plant's response to light
Stability the kind of equilibrium of a body so that if changed or disturbed by a stimulus it returns to it's former position or state of being
turgor pressure Water pressure against a cell wall of a plant cell (firm leaf/wilted leaf)
Created by: Alex.Dunson
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