Key points. 1  Humansâand other complex multicellular organismsâhave systems of organs that work together, carrying out processes that keep us alive. 2  The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.
The rose was designated as the official state flower of New York in 1955. The rose is a symbol of love and beauty (as well as war and politics) the world over.
The rose was designated as the official state flower of New York in 1955. The rose is a symbol of love and beauty (as well as war and politics) the world over. The rose is also our national flower, the state flower of Georgia is the Cherokee rose, and the wild prairie rose is the state flower of Iowa and North Dakota. The rose has been around for about 35 million years and grows naturally throughout North America.