You can download this poster/image in high quality. You can then print it at your local printing shop and hang it on the wall.
The photo shows a cross-section through a Canadian Waterweed stem, an invasive plant that grows in freshwater reservoirs. The stem has a homogeneous structure, with air-filled cavities in the central zone that allow the plant to float. The outer cells are more capable of photosynthesis.
You can download this poster/image in high quality. You can then print it at your local printing shop and hang it on the wall.
