Tnpsc and Upsc Notes Pdf
Chennai has worrying air quality levels in Air Quality levels in year, with the city’s Air Quality Index (AQI) reaching 190 in January 2026. These numbers are placed in the ‘Unhealthy’ category according to the data. Early this year, in January, the PM2.5 level stood at 119 µg/m³, and PM10 was measured at 146 µg/m³, … Read more
Temperate grassland food web A Temperate grassland food web shows the complex relationships within the Temperate grassland ecosystems. This food web primarily operates in a region where it receives only 30 to 51 centimetres of rain a year, with most of the rain falling during the summer. Winter brings cold, dry winds and occasional snow. … Read more
The Food web in the desert Producer Cactus Cactus are desert plants, they grow in dry places. They have the ability to store water, which keeps them alive. It is protected by sharp spines or needles. As soon as the sun rises, this plant starts making sugars. These plants have succulent tissue, waxy skin and … Read more
The Hunter-Gatherer Food Chain is associated with Pastoral farming, also known as ranching, grazing, or livestock farming. It aimed at livestock production rather than growing plants, crops, etc. Examples are Raising cows for beef, milk, etc, raising sheep for wool, Goats for mutton, etc. In a single farm, the livestock and crops are grown simultaneously, … Read more
The Lemongrass also called Citronella grass, which is a kind of flowering plant which is part of the grass family. Citronella grass is found in tropical and subtropical areas. It grows well in sandy, loamy soils, well-drained, and fertile grounds and it requires a lot of rain during the growing season. Lemongrass Savanna Adaptations These … Read more
To study about the environment and ecology and components of environment such as biotic, abiotic components and biodiversity