| geotropism |
an orienting response to gravity
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| geotropism |
Gravitropism (or geotropism) is a turning or growth movement by a plant in response to gravity. Charles Darwin was one of the first to document that roots show positive gravitropism and stems show negative gravitropism. That is, roots grow in the direction of gravitational pull (i.e., downward) and stems grow in the opposite direction (i.e., upwards). This behaviour can be easily demonstrated with a potted plant. ...
출처: en.wikipedia.org/wiki/Geotropism
|
| geotropism |
Not a commonly used term but it is the response to gravity. Plant parts that grow downward, such as the roots, would be positive geotropism. A negative geotropism would be the stems growing upward.
출처: www.ukallotments.info/advice/glossary/glossary-g.p...
|