There are about 8100 known living amphibians, of which nearly 90% are frogs. Amphibians first appeared about 340 MYA (million Years Ago) ago during the Middle Mississippian Epoch of the Paleozoic Era. Frog, newts, toads, caecilians, salamanders are the modern amphibians which have various characteristic features. Parental Care of Amphibia Parental care is one type … Read more
The black phantom tetra is a tropical fish which is also known as the big-eyed black phantom or just phantom tetra. It is a small freshwater fish that belongs to the family Characidae under order Characiformes. It is native to South America, where it occurs in the Paraguay-Paraná River basin. Systematic Position Phylum: ChordataSubphylum: VertebrataClass: … Read more
The tissue which are responsible for locomotion and for the movement of the different body parts is called muscular tissue. The muscle cells are often called muscle fibres due to elongated shapes of the cells. Muscle tissue is a specialized tissue which composed of fibres of muscle cells. They control the movements of an organisms … Read more
Fish feed Additives are those materials which are used as small quantity in the fish feed during feed preparation to increase feed attraction, palatable to the species under culture system and to prevent disease, and microbial activities and to enhance the horse power efficiency of feed. Additives is being used in animal feedstuff including- Synthetic … Read more
Wuchereria bancrofti is a filarial nematode worm. Adult Wuchereria bancrofti lives in lymphatic vessels and lymph nodes of human and cause lymphatic filariasis. It causes diseases together with Brugia malayi and B. timori. Various mosquitoes are responsible to spread the filarial worms. It affects over 120 million people throughout the world. If infected people do … Read more
The parrot is a psittacine bird that belongs to the order Psittaciformes under class Aves. The order Psittaciformes includes 92 genera with 398 species. They are found worldwide but the greatest diversity occurs in Australasia and South America. Some bear vibrantly colored body while many contain a multi colored body. These colored creatures provide mental … Read more