4don MSN
Every time the temperature drops, a cloud passes overhead, or the sun sets, a plant makes a choice: Keep its microscopic ...
their numbers, density and distribution on upper and lower surfaces numbers that are open and closed at any time adaptations ... are two methods with which stomata can be counted.
9don MSN
Plant behavior may seem rather boring compared with the frenetic excesses of animals. Yet the lives of our vegetable friends, ...
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