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...
and established stands of bracken usually contain a mixture of green and dead fronds. As bracken is a true fern it does not produce flowers or seeds, but instead produces spores in bodies called âsoriâ, which occur in a continuous line on the undersides of the fronds. The spores are minute. Lifecycle . Bracken is a perennial fern, but the fronds emerge in the spring and die off in autumn. In colder areas fronds will live for only one year, but they can live for two years where conditions are milder . Figure 1: A bracken fern plant. L. McWhirter