Bioscience:How a Plant Works
Where do plants get their food? Most plants make their own food by using the energy that comes from the sun. They do this in chemical factories found in their leaves. Plants support all other life on our planet by providing food and shelter， and by processing the air that we breathe. The health of our world depends on having green plants around us， so let's all learn to walk a little softer on the earth.
- Added：2006
- Country：Australia
- Duration：20
- Time of update：2011/8/17 16:46:57