Category: UPSC Prelims

Biodiversity and Biodiversity Hotspots Biodiversity The variability among living organisms from all sources including terrestrial, marine and other aquatic ecosystems, and the ecological complexes of which they are part; this includes diversity within species, between species, and of Read More ……

Carbon Sources & Sequestration Carbon sink & source A carbon sink is anything that absorbs more carbon that it releases, while a carbon source is anything that releases more carbon than is absorb Forests, soils, oceans and the atmosphere all store carbon Read More ……

Greenhouse Effect & Greenhouse Gases The exchange of incoming and outgoing radiation that warms the Earth is often referred to as the greenhouse effect because a greenhouse works in much the same way. Incoming UV radiation easily passes Read More ……

Ecological Succession, Food Chain, Food Web, Ecological pyramids   Ecological Succession Primary succession–Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation Read More ……