African Water Fern (Bolbitis heudelotii ) is an awesome and very popular decorative aquarium plants due to its uniquely textured green foliage and growth form which make an attractive feature to your aquarium. It belongs to the family Polypodiaceae under order Polypodiales of class Polypodiopsida. Bolbitis heudelotii was first described by Alston in 1934. The species … Read more
Marsilea minuta is the most famous aquarium plant among the aquarium enthusiasts due to its gorgeous greenish coloration and hardiness. In 1825, it was first described by Carl Borivoj Presl. It is a plant of class Polypodiopsida with the family Marsileaceae under order Salviniales. Marsilea minuta is considered as ‘Least Concern’ in the IUCN Red Data … Read more
Every living organism requires a supply of food for the maintenance of life and the processes connected with life including growth, movement, reproduction etc. A living organism synthesizes or collects its necessary food from the surrounding environment. Mineral, vitamins, and water also required for various life processes. All these essential substances are collectively called nutrients. … Read more
All living organisms are composed of cells and cell products. Each eukaryotic cell contains several cytoplasmic organelles. Among the organelles, endoplasmic reticulum performs as intracellular transport system for various substances and also helps to exchange the materials between nucleus and cytoplasm. Prokaryotic cells and RBC (red blood cell) do not have any endoplasmic reticulum. Endoplasmic … Read more
Golgi body is a parallelly arranged sac-like and flattened structure. It is bounded by membrane and is found in almost all eukaryotic cells. It is placed in the cytoplasmic matrix near the nucleus. It has various name such as Golgi apparatus, Golgiosome, Golgi complex, Lipochondira. In case of plant cell, it is also known as … Read more
There are approximately 8.7 million species on earth and their variety is simply astonishing. Besides, no two individuals of any animal-form are exactly alike. Hence, there must be some arrangement to group them in orderly categories to study the animal world. The diversity or differences also signify that organisms are really not so different from … Read more