Taxonomy In biology, taxonomy refers to the scientific study of naming, defining, and classifying groups of biological organisms on the basis of shared characteristics. It is the process of classification based on the external features as well as internal structures, development process, and ecological information of organisms, etc. Classical Taxonomy Read more…
Human Digestive System Human beings consist of a well-developed digestive system for nutrition. Human nutrition deals with the provision of essential nutrients in food that are necessary to support good health and life. As we all know, good nutrition is essential for physical and mental growth, so it is highly Read more…
Transport in Plants Plants perform the process of transportation in different ways in both short distance as well as long distances. The long-distance transport occurs mainly through vascular tissues (i.e., xylem, and phloem) and the process is called translocation. Over small distances, materials move through diffusion, cytoplasmic streaming, and active Read more…
Cloud Seeding Vincent Schaefer an American chemist and meteorologist discovered the principle of cloud seeding in 1946. It is a type of weather modification technique that improves the ability of clouds to produce rain or snow by introducing tiny ice nuclei into certain types of subfreezing clouds. These nuclei provide Read more…
Carbon Sink Carbon sink is a natural or artificial reservoir that absorbs and stores Carbon dioxide from the atmosphere. Why in the news? India has committed in its NDC – to create an additional carbon sink of 2.5 to 3 billion tonnes of CO2 equivalent through additional forest and tree Read more…
Dentition in Mammals Dentition means the arrangement of teeth in the upper and lower jaws on the premaxilla, maxilla, and dentary bones. Development of tooth: Teeth develop over the jaw bone where certain Malpighian cells start actively multiplying forming a mass of cells called dental lamina or enamel organ. A Read more…
Migration in Birds Migration in birds is a phenomenon in which birds travel from one place to another in search of favorable conditions and more resources for their survival. The migration also involves the journey to return to the original place. The migration in birds takes place during seasonal change Read more…
Flight or Aerial Adaptation in Birds The birds have a unique ability to fly and for this, there are various adaptations are acquired. In birds, the most obvious adaptation to flight is the wing, but the flight is so energy-demanding, that’s why birds have evolved many other adaptations to improve Read more…
Sexual Reproduction in Flowering Plants The flower is the reproductive part of a plant. In papaya, the flower is unisexual and contains either stamen or pistil and it may be bisexual as in mustard, and hibiscus. Parts of flower – sepals, petals, stamens, and pistils. Calyx – consisting of sepals, Read more…
Characters of Archaeopteryx Archaeopteryx was a primitive bird consisting of feathers. It is a genus of bird-like- dinosaurs. Archaeopteryx was accepted by paleontologists as the oldest known bird (member of group Avialae). Archaeopteryx is considered a transitional fossil between dinosaurs and modern birds. Its German name is “Urogel”. Scientific position Read more…