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It occurs so that the plant will always place the broad side of it's leaves toward the Sun.
It depends on the organism ... and how it's capable of responding. After all, trees never run away, and animals seldom turn their faces toward the sun.
phototropism,
Plants grow toward the sun because the side of the plant that is shaded grows faster. Very simple concept; think about this. A plant is under (let's say) a bench and light shines only one side. That plant heads toward the sun because the side without light is now grwoing faster, thus leaning toward the sun.
Growth of plants toward the light is called phototropism. Growth of plants in response to gravity is called geotropism or gravitropism.
Well, the leaves tend to face toward the light.
It occurs so that the plant will always place the broad side of it's leaves toward the Sun.
the organism act in response to their environment
The stem of a plant bends and grows toward a source of light.The shoot of a plant grows in the opposite direction of gravitational pull.The roots of a plant grow towardwater-rich soil.
I have been walking in the woods in shorts and saw the tip of a nettle bend toward me until the leaves hit my leg and stung me. Plants also do move to orient their leaves and/or flowers toward the sun. Other than that, plant movement is environmental (wind, rain, gravity).
It depends on the organism ... and how it's capable of responding. After all, trees never run away, and animals seldom turn their faces toward the sun.
light
Responding to stimuli.
(meaning: tropo; turning, bending; geo, earth) The innate condition in plants to grow their roots toward gravity. The same happens with the leaves that grow towards the sun; this instead is called phototropism.
Xylem carries water from the roots to toward the leaves. Phloem carries sugar and nutrients from the leaves toward the roots. Oxygen is transported by diffusion, NOT by the liquid transport system.
phototropism,
Plants use sunlight to make energy and most plants tend to take in sunlight through their leaves and/or petals (of the flowers) because they are the broadest part of the plant (and therefore have the most "receptors" for the light). This is why the plants often seem to "turn" toward the sun. In other words, if a plant only gets sun from one direction, its leaves will be turned in that direction to collect the sunlight and it may grow in that direction (either on a tilt or send runners out that way). Some plants (such as sunflower) move with the sun throughout the day to maximize the amount of sunlight it collects. Short answer, plants generally grow toward the sun (or the direction where they get the most sunlight).