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单词 negative geotropism
释义

Definition of negative geotropism in English:

negative geotropism

noun
mass noun
  • The tendency of plant stems and other parts to grow upwards.

    负向地性

    Example sentencesExamples
    • A negative geotropism is a turning away from the earth, such as by a plant stem that grows upward.
    • An example of negative geotropism would be the main stem.
    • Geotropism occurs in two forms: positive geotropism to which the root responds by growing downward; and a negative geotropism, which causes the stem to grow upward.
    • For example, the shoot of a plant has negative geotropism, or response to gravity, but the roots have positive geotropism.
    • This is called negative geotropism because the plant is growing away from the force of gravity.
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更新时间:2025/8/12 20:14:45