Plant physiology - Topics

How plants measure day length to time their flowering Why leaves change color in autumn Ethylene and why one rotten apple spoils the barrel Legume nodules and the cost of hosting nitrogen fixers C3 vs C4 vs CAM: three ways plants fix carbon Auxin and why a plant bends toward the light Why desert plants run their photosynthesis at night instead of noon How seeds stay dormant for years and then germinate all at once What irritability means in biology and how a single cell reacts to touch How do plants close their stomata to survive a drought? Drought stress: what happens inside a plant when the soil dries How does photosynthesis convert sunlight into chemical energy? Why do plants bend toward light and how phototropism works The oxygen you breathe comes from water split during photosynthesis How a sprouting shoot knows which way is down Stomata: how a leaf decides when to open its pores How does osmosis move water across a cell membrane? How plants survive freezing without ice shredding their cells Why leaves change color before they fall How water climbs to the top of a redwood