Firstly light is an external stimuli. in plants - shoots are positively phototrophic while roots are negatively phototrophic.
Plants make seeds that can grow into new plants, but if the seeds just fall to the ground under the parent plant, they might not get enough sun, water or nutrients from the soil. Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire.
Earth ? Or nature witch one are you getting at
I’m pretty sure its D
Good luck in class :)
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