2.  Why do plants need water ?  Why do people need plants ?  Why do roses have thorns ?  Why do flowers smell ?  Summary

3.  For : light energy  Vascular system  Weather  Soil  Natural procees  Plants survival

4.  Shelter  Medicines  Industry  Inspiration  Clean air and water  Food  Energy

5. o Protection of animals o Roses have thorns to remind us that even though something is beautiful, it doesn’t mean that it can’t or won’t hurt use o Sweet smell

6.  Everyone is familiar with the sweet scents of flowers like roses and gardenias. Some plants give off a distinctive odor even when they're not flowering. Plant and flower odors serve an important function in plant reproduction and protection

7.  Plants need water to grow, because water is one of the key common substances required by all living things in order to sustain life

8.  http://www.whycenter.com/why-do- plants-need-water/http://www.whycenter.com/why-do- plants-need-water/  http://www.earthplatform.com/c/natur e/land/plants/why-do-we-need-plants http://www.earthplatform.com/c/natur e/land/plants/why-do-we-need-plants  http://www.knowswhy.com/why-do- roses-have-thorns/ http://www.knowswhy.com/why-do- roses-have-thorns/