| 单词 | geotropism |
| 释义 | geotropism noun[U] biologyspecializeduk/ˌdʒiːəʊˈtrəʊpɪzm/us/ˌdʒiːoʊˈtroʊpɪzm/the wayplantsorplantpartsreacttogravity 向地性Animal & plant biology - general words
Examplesofgeotropismgeotropism The mygalomorphs that do balloon express a level of negativegeotropismthat is not expected to be present elsewhere in the lineage. From theCambridge English Corpus It is this negativegeotropismand positive phototactic behaviour which may distinguish ballooning lepidopterans from the primitive non-ballooning lineage. From theCambridge English Corpus Germination of embryos was defined as extension and positivegeotropismof the radicle. From theCambridge English Corpus Darwin also drew attention to the similarities between animals and plants, e.g., sensitivity to touch (thigmotropism), light sensitivity (phototropism), and gravity (geotropism). From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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