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phototropism
Question | Answer |
---|---|
what is gravitropism? | a plant's growth response to gravity |
what is phototropism? | a plants growth response to light |
what is hydrotropism? | a change in a plants' direction of growth due to water |
what is thigomotropism? | a plants' growth response to light |
what is night length? | it's an external stimulus signal for many plants to start reproducing |
in what wet and dry seasons' place do trees lose their leaves before dry season? | tropical climates |
what does chlorophyll do in autumn? | it starts to break down, allowing other colors to be seen |
what is tropism? | a plant's response to an external stimulus |
what kind of g.tropism do roots have? | positive |
what kind of g.tropism do stems have? | negative |