The guppy fish (Poecilia reticulata) is a beautiful and popular aquarium fish. It belongs to the family Poeciliidae under order Cyprinodontiformes of class Actinopterygii. It is native to Northeast South America, but now it is found all over the world. It prefers to live in smaller streams and pools. Systematic Position Phylum: Chordata Subphylum: Vertebrata … Read more
Hemorrhage is the escape of blood from a blood vessel or the heart. In rupture of the wall of a vessel, hemostatic mechanisms start to control the hemorrhage. A small hemorrhage may have no bad effect but an acute massive hemorrhage threatens the life. Chronic blood loss produces an iron-deficiency anemia. Hemorrhage may be local … Read more
Auxin is a indole radicle plant hormone which is produced by growing tip of a coleoptile and influence growth rate of the cells and also encourages the length of roots and stems of plants. This type of hormone contains different types of organic acid. The plant hormone auxin and its role were first discovered by … Read more
A refugium is a small-sized aquarium. It is placed alongside, underneath, or hangs onto the present or existing saltwater or reef aquarium. A considerable number of saltwater aquarists utilize this refugium to continuously cycle the water into and out of the existing tank. Generally, it refuges macroalgae, aragonite live rock, and deep sand, mud bed, … Read more
Carbon dioxide (CO2) plays an important role as a nutrient for successful plant growth in the aquarium. During the process of photosynthesis, aquatic plants remove CO2 from their environment. In this process, aquatic plants use CO2 and H2O to produce carbohydrate (C6H12O6) and Oxygen (O2) with the help of light energy. Generally, the planted aquarium … Read more
There are various synthetic organic compounds which are applied to plants to give some positive responses. These compounds are artificial plant hormones which help in a deficient concentration (< 0.001 M) in maintaining of growth and development of the plants. These are now widely used to get a better result in the field of agriculture … Read more