Why do plants need water ? Why do people need plants ? Why do roses have thorns ? Why do flowers...

PLANTS

Katrin VestrikForm 9a

Kanepi Gymnasium2012

Contents

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

Why do plants need water ?

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

Why do people need plants ?

Shelter Medicines Industry Inspiration Clean air and water Food Energy

Why do roses have thorns ?

oProtection of animalsoRoses have thorns to remind us that even though something is beautiful, it doesn’t mean that it can’t or won’t hurt useoSweet smell

Why do flowers smell ?

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

Summary Plants need water to grow, because water

is one of the key common substances required by all living things in order to sustain life

References

http://www.whycenter.com/why-do-plants-need-water/

http://www.earthplatform.com/c/nature/land/plants/why-do-we-need-plants

http://www.knowswhy.com/why-do-roses-have-thorns/

Thank you for listening !

Why do plants need water ? Why do people need plants ? Why do roses have thorns ? Why do flowers...

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