IF the punctum vegetationis of a root is removed by a transverse section, the root loses more or less completely the power of curving geotropically downwards when placed in a horizontal position. This ...

1. The effect of persistent acceleration on comb construction by Oriental hornet (Vespa orientalis) workers was assessed experimentally within breeding boxes of various sizes, and shapes. Groups of ...

Plants also show movement by growth of their various parts. It is the plant hormones that promote its growth. The movement of plant parts is due to various stimuli like gravity, water, light, chemical ...

Geotropism and Split Stems Journal Article FREE Botanical Gazette, Vol. 50, No. 3 (Sep., 1910), p. 238 (1 page) ...

I HAVE just been listening to a discussion, at the Zoological Laboratory, arising from some interesting observations by Mr. G. L. Clarke on the tropisms of Daphnia. A question was asked as to the ...

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