It occurs so that the plant will always place the broad side of it's leaves toward the Sun.
It is called Geo-Tropism
phototropism.
...Negative tropism is a change in text of a song due to mishearing the lyrics or inaccurate memory of the lyrics. It results in multiple versions of songs after a while. It is very common in English and Scottish balladry, as well as in Appalachian ballads.
Dormancy is the term used to describe the inactive state of a seed or plant part when conditions are unfavorable for growth. During this time, the plant conserves energy until conditions are more favorable for growth and development.
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tropism
tropism
photo tropism is the growth-response to light in a plant. stems exhibit positive photo tropism while most roots exhibit negative photo-tropism
Tropism is the movement of a plant away from or toward a stimulus. The most easily found example of tropism is a plant's response to light. Plants tend to grow toward the light. This tendency is called 'phototropism'.
tropism
Tropism
Tropism
Phototropism, where the plant "turns" to arrange its leaves for better exposure to light. This process is regulated by growth regulators in the plant. Photo = light Tropism from the Greek "trope" or turning. See picture
It occurs so that the plant will always place the broad side of it's leaves toward the Sun.
It is called Geo-Tropism
phototropism.