Every time the temperature drops, a cloud passes overhead, or the sun sets, a plant makes a choice: Keep its microscopic ...

Plant behavior may seem rather boring compared with the frenetic excesses of animals. Yet the lives of our vegetable friends, ...

correlation and causation: Many students do not understand the fundamental difference between correlation and causation. In this lab, stomata density variation likely results from interacting ...

their numbers, density and distribution on upper and lower surfaces numbers that are open and closed at any time adaptations of plants to environmental conditions, eg desert and water plants ...