Geotropism is the response to gravity, influencing the direction of plant growth. Roots exhibit positive geotropism, growing towards gravity, while shoots show negative geotropism, growing away from gravity or upwards.
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Geotropism, also known as gravitropism, is a plant tropic movement influenced by gravity. In shoots, geotropism results in negative growth away from gravity, leading stems and leaves to grow upwards, opposing the gravitational force. This optimizes exposure to light for photosynthesis. In roots, geotropism is positive, causing growth towards gravity, ensuring roots anchor the plant and explore soil for water and nutrients. The differential responses in shoots and roots allow plants to effectively respond to gravitational cues, optimizing their overall structure for efficient nutrient absorption, structural support, and adaptation to varying environmental conditions.