Phototropism , Geotropism & plant defense mechanism (DETAILED)| grade 12 life sciences |ThunderEDUC

Описание к видео Phototropism , Geotropism & plant defense mechanism (DETAILED)| grade 12 life sciences |ThunderEDUC

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0:00 Introduction
0:21 PHOTOTROPISM in plants
2:55 Effects of auxins in phototropism
6:21 GEOTROPISM/GRAVITROPISM in plants
8:24 Effects of auxins in geotropism
11:07 Clinostat (effect) is a device which uses rotation to remove the effects of gravitational pull on plant growth
11:32 PLANT DEFENSE MECHANISMS
13:06 2. CHEMICAL MECHAMISM
14:02 Discussion questions

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