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Articles, tutorials, and notes-to-self.
What is human blood: Introuction: Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as…
Human body system: Introduction: Our bodies are made up of 11 basic organ systems that manage all the essential body functions. These systems, while interdependent,…
Human body: Introduction: The human body is made up of all the living and nonliving components that create the entire structure of the human organism,…
Reproduction of Selaginella: VEGETATIVE REPRODUCTION : It takes place by following methods: 1. Fragmentation: Under humid conditions, plants develop adventitious roots and branches which on…
What is Selaginella: SYSTEMATIC POSITION Division: Pteridophyta Class: Ligulopsida Order: Selaginellales Family: Selaginellaceae Genus: Selaginella Introduction The genus Selaginella commonly called 'small club moss' includes…
Economic importance of Pteridophytes: 1.Ornamental: Many species of pteridophytes though less in number claims a distinct charm and physiognomy to the landscape e.g. Hanging club…
General characters of Pteridophytes: 1. HABITAT Pteridophytes grow under varied habitats. Most of them are terrestrial plants and thrive well under damp and shady conditions…
General characters of Bryophytes: 1. DISTRIBUTION Bryophyta is a group of the simplest and the most primitive, non-vascular land plants and includes about 24000 species…
General characters of Angiosperms: (1)All plants have flowers at some stage in their life. The flowers are the reproductive organs for the plant, providing them…
Internal structure of Cycas: Primary root structure: In a T.S. of young root. The following structures are seen. The outermost layer is epidermis or epiblema.…