protozoan cyst
infectious form of many protozoan parasites such as entamoeba histolytica, giardia lamblia, balantidium coli, etc., usually passed in the faeces and provided with a highly condensed cytoplasm and resistant cell wall.
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..