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tropism    
n. 向性,趋性,屈性

向性,趋性,屈性

tropism
n 1: an involuntary orienting response; positive or negative
reaction to a stimulus source

Tropism \Tro"pism\ (tr[=o]"p[i^]z'm), n. [Gr. troph` a turning,
tre`pein to turn -ism.] (Physiol.)
Modification of the direction of growth, caused by some
external influence, such as light; -- sometimes used for
motion of an organism toward or away from an external
stimulus, more properly called {taxis}.
[Webster 1913 Suppl. PJC]


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  • Tropism in Plants | Definition, Meaning Types - Study. com
    Explore tropism in plants Learn the definition of tropism and see how tropism is classified Understand the various types of tropism in plants
  • Video: Tropism in Plants | Definition, Meaning Types
    Tropism Definition Tropism in plants is defined as the response to stimuli, or something that can cause a response, to thrive in its environment It comes from the Greek term tropos or 'to turn
  • What are taxis and tropism? | Homework. Study. com
    There are generally three types of movement descriptions owing to the response to stimuli: Taxis, Tropism, and Nastic movements Answer and Explanation: 1 Taxis and Tropism both refer to directional movements, where the response could be toward or away from the stimuli in question, however, there is a ma
  • What type of tropism sets off a Venus fly trap?
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  • Geotropism | Definition, Types Examples - Lesson - Study. com
    Tropism in Plants | Definition, Meaning Types; Create an account to start this course today Used by over 30 million students worldwide Create an account Like this lesson Share Explore our
  • What is the difference between stimuli and tropism?
    Tropism is described as the movement of organisms towards or away from a signal or stimulus like light, gravity, etc Answer and Explanation: 1 Tropism and Stimulus have the same relation as that of an effect and a cause
  • Differentiate between tropism movement and nastic movement.
    Identify the type(s) of tropism described in the example below and indicate whether it is a positive or negative tropism __Roots grow in the opposite direction of any impeding objects __ Differentiate between the terms "botany" and "zoology" as used in the field of biology
  • differentiate between tropism trophism? 1 answer below differentiate . . .
    Identify the type(s) of tropism described in the example below and indicate whether it is a positive or negative tropism __Plant stems grow upwards against gravity __ Identify the type(s) of tropism described in the example below and indicate whether it is a positive or negative tropism __plant roots grow towards a water source__ 1
  • What are some examples of tropism? | Homework. Study. com
    Tropism: Tropism is a biological growth in response to an environmental stimulus, usually found in plants Tropisms can be considered positive or negative, depending on if the organism moves towards or away from the stimulus, respectively
  • Definition, Process Examples - Lesson - Study. com
    A tropism is the movement or response of a plant to stimuli in its environment Stimulus is a factor within an environment or an experience detectable by the organism through any of its senses





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