[视频作者] 生物博学堂
[视频时长] 0:26
[视频类型] 科学科普
https://www.youtube.com/watch?v=rcAeTR8AGwc 原作者:futurityvideo 原发布时间:2013年7月26日发布 An Arabidopsis thaliana plant shows gravitropic growth after being put on its side. The branches from the main shoot are able to return to their normal angle because of the