Yes and they are found scattered among emergent plants or massed together in floating mats.
http://www.chacha.com/question/is-duckweed-an-emergent-...
Dear Bautista, I just found your question in the Biology question pool, and thought I could help. Plant roots don't need to be in soil as long as there are sufficient dissolved nutrients in whatever substrate the roots contact. This is why ...
http://en.allexperts.com/q/Biology-664/plants-7.htm
They are classified in the division Magnoliophyta , class Liliopsida, order Arales, family ...
http://qanda.encyclopedia.com/question/class-plant-life...
They are classified in the division Magnoliophyta , class Liliopsida, order Arales, family ...
http://qanda.encyclopedia.com/question/family-plant-lif...
Yes, algae/duckweed will release some oxygen into the water. The oxygen depletion from an algal bloom results mainly from the bacteria that eat dead algae. Algae have a fast turnover rate (they die and regrow very fast), so there is always ...
http://answers.yahoo.com/question/index?qid=20080603180...
I dont know how much Duckweed's flowering is dependent on temperature, as it is on light. Duckweed grows in very tropical areas too, and still blooms around the same time eash year. Which would suggest to me that light has to do with its bl...
http://answers.yahoo.com/question/index?qid=10060302051...
Lemna minor == It is a floating freshwater aquatic plant, with one, two or three leaves each with a single root hanging in the water. As more leaves grow, the plants divide and become separate individuals. The root is 1-2 cm long. The leave...
http://answers.yahoo.com/question/index?qid=20080103173...