Phototropism - Or How Plants Lean Towards the LightPlant Cell
根据第二段You've all seen plants grow towards light which is called phototropism.Even if the top of them are cut off,the plants don't change the direction.They sense the light and tell the rest of the plants how to grow then.(大家都见过植物向光生长,这被称为---。即使它...
On getting ready in the morning, Magnus states, "When I take off my PJs, they float around in the crew quarters until I gather them up and immediately fasten them down behind a band or something. Suffice it to say it is easy to lose things up here!" [source: NASA]. After waking ...
if astimuluscauses you pain, yourespondby moving away from that object. If you place a plant near a well-lit window, the branches or shoots grow toward the light (phototropism). For protection, some animals change color to blend in with their surroundings (camouflage). ...
Plants exhibit tropisms, tendencies to grow in certain ways based on environmental factors, such as sunlight (phototropism), water (hydrotropism), gravity (gravitropism), chemicals (chemotropism) and even physical contact (thigmotropism). For example, plants tend to bend toward sunlight because sunli...