Order Peronosporales, Aquatic or terrestrial; parasitic on algae or vascular plants, the latter mostly obligate parasites causing downy mildews; in advanced species, zoosporangia borne on well-differentiated sporangiophores, deciduous and behaving as conidia (asexually produced spores); example genera include Albugo, Peronospora, Bremia, and Plasmopara. Habitat  They are aquatic, amphibious and terrestrial species.  Forming a highly group …

The soil-forming is a complex process along with a lot of factors and processing ways. It takes a long period of time to develop even an inch of soil. In this article, the basic processes of soil formation are discussed briefly. Related article– Soil Forming Factors Soil Forming processes There …

Aquatic plants are species that perpetuate their life cycle in still or flowing water, or on inundated or non-inundated hydric soils. Aquatic angiosperms inhabit oceans, lakes, rivers, end wetlands. The transition to an aquatic life has been achieved by only 2% of the approximately 350,000 angiosperm species (Cook 1990). Bangladesh …