The members of the Xanthophyta or Heterokontae (class Xanthophyceae) are characterized by their yellow-green pigments, including xanthophylls, which distinguish them from other algae. They are commonly known as yellow-green algae.…
Algae present in the group Bacillariophyta (class Bacillariophyceae) are known as diatoms. They constitute a very large assemblage of unicellular algae. Diatoms differ from other algae due to their symmetrical…
The members of the Phaeophyta (class Phaeophyceae) are known as brown algae due to their characteristic brown colour. They exhibit a brown colour because of the presence of the golden…
Algae found in the group Rhodophyta (class Rhodophyceae) are red in colour. So these are also known as red algae. The algae show red colour due to the presence of…
The female gametophyte of gymnosperms is a multicellular structure serving the functions of bearing the archegonia and nourishing the developing embryo. It exhibits a progressive series of significant changes leading…
Spirogyra is a free-floating, freshwater, filamentous green alga of the class Chlorophyceae. Salient Features of Spirogyra The salient features of Spirogyra are as follows: Occurrence of Spirogyra Thallus Structure of…
Ulothrix is an unbranched filamentous green alga of the class Chlorophyceae. It is commonly found in freshwater ponds, pools, lakes, etc. The word Ulothrix means shaggy or curly hair (in…
Penicillium is a saprophytic fungus of the class Plectomycetes. It is found in all parts of the world. The name penicillium is derived from the Latin word penicillus, which means…
Anabaena is a planktonic blue-green alga of the class Cyanophyceae. It is often found in freshwater habitats. Anabaena is known for its nitrogen fixing abilities. Salient Features of Anabaena The…
Aspergillus is a common saprophytic fungus of the class Plectomycetes. The name Aspergillus is adapted from the Latin name Aspergillum, which means holy water sprinkler. As the fungus has a…