Rhodophyta (Red Algae): An Overview
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…
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Evolution of Female Gametophyte in Gymnosperms
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: Salient Features, Occurrence, Thallus Structure, Reproduction
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: Salient Features, Occurrence, Thallus Structure, Reproduction
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: Occurrence, Structure, Reproduction
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…