TSPSC Prelims and Mains Notes-TSPSC Test Series
Niche:- a description of all the biological, physical and chemical factors that a species needs to survive, stay healthy and reproduce. No two species Join Our Telegram Channel Subscribe on YouTube have exact identical niches. Niche plays an important role in conservation of organisms. Types of Niche Habitat niche – where it lives Food … Read more
Natural Ecosystem- Terrestrial- Forests, Grasslands, Deserts Aquatic- Fresh Waters, Saline Waters, Marine Waters Ecotone :- a zone of junction between two or more diverse ecosystems. For e.g. the mangrove forests represent an ecotone between marine and terrestrial ecosystem. Characteristics of Ecotone It may be very narrow or quite wide. It has the conditions intermediate … Read more
The components of the ecosystem is categorised into Join Our Telegram Channel abiotic of non-living and biotic of living components. Both the components of ecosystem and environment are same. Abiotic Components the inorganic and non-living parts of the world. consists of soil, water, air, and light energy etc. involves a ,large number of … Read more
Ecology is defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more
The continental drift theory is the theory that once all the continents were joined in a super-continent, which Join Our Telegram Channel Subscribe on YouTube scientists call Pangaea. Over a vast period of time, the continents drifted apart to their current locations. Alfred Wegener first supported continental drift. Wegener’s explanation of continental drift in … Read more
Orogenic or the mountain-forming movements act tangentially to the earth surface, as in plate tectonics. Tensions produces fissures (since this type of force acts away from a point in two directions) and compression produces folds (because this type of force acts towards a point from two or more directions). In the Join Our Telegram … Read more
The interaction of matter and temperature generates these forces or movements inside the earth’s crust. The earth movements are mainly of two types: diastrophism and the sudden movements. The energy emanating from within the earth is the main force behind endogenic geomorphic processes. This energy is mostly generated by radioactivity, rotational and tidal friction … Read more
The Crust of Earth It is the outermost and the thinnest layer of the earth’s surface, about 8 to 40 km thick. The crust Join Our Telegram Channel varies greatly in thickness and composition – as small as 5 km thick in some places beneath the oceans, while under some mountain ranges it extends … Read more
Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side. Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more