1 flank pain, 2  nausea and/or vomiting. 3  Kidney pain can be on the left, right, or both sides. 4  Causes of kidney pain are diagnosed with the patient's history and physical examination, and lab tests including blood, pregnancy, and urine tests.
The fern life cycle and moss life cycle are similar in that they have alternation between sporophyte and gametophyte stages and that both rely on layers of water so that their sperm can swim from one...
For further information, see Fern: Life cycle. 1  Diagram of alternation of generations in ferns. 2  A gametophyte (prothallus) of Dicksonia sp. 3  A sporophyte of Dicksonia antarctica. 4  The underside of a Dicksonia antarctica frond showing the sori, or spore-producing structures.