Why do stems grow upward?

Answer

Roots grow down, into the soil and stems have leaves on them which need sunlight to grow so therefore they grow up out of the soil.
Q&A Related to "Why do stems grow upward?"
Tropism is the term given to how a plant responds to light, touch and gravity. A plant's parts experience the phenomenon of geotropism, a process that, while researched by Charles
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1. Plant rose varieties that are best suited to produce homegrown long-stem roses. Some of the best options include, but are not limited to, Bridal White, Antique Silk, Kardinal,
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There is no compelled reason for the corn to grow upwards by reason of anything
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