grassland definition

Also referred as 'temperate grasslands' include 'Steppes' of Europe and Asia, 'Prairies' of Canada and North America, 'Pampas' of South America, 'Tussocks' of New Zealand and 'Veldts' of Afri..

An ecosystem can be defined as 'a structural and functional unit of biosphere or segment of nature consisting of community of living beings and the physical environment, both interacting and exchanging materials between them'. E. P. Odum, an American ecologist, defined ecology a..

Introduction - The term ecology is derived from two Greek words (oikos - means 'house' or place to live and logos means 'a discussion or study'). Literally, ecology is the study of organism 'at home' in their native environment. The term was first introduced by Reiter in 1868, but was fully de..

Also referred as 'tropical grasslands', primarily located in equatorial and sub - tropical regions of the globe (especially South America, Central Africa and Australia..

In nature, food chain relationships are not isolated. They are very complex, as one organism may form the food source of many organisms. Thus, instead of a simple linear food chain, there is a web like structure formed by these interlinked food chains. Such interconnected matrix of food chains is c..

Mainly on the basis of latitude and amount and periodicity of rainfall, terrestrial biomes are classified into several types - tundra, taiga, deciduous forests, tropical rain forests, chapparal, savannah, grassland and deser..

Pyramid of Numbers - "Pyramid of numbers is the graphic representation of number of individuals per unit area of various trophic levels stepwise with producers forming the base and top carnivores the tip..

Food chain in grassland..

Biotic community is an association of a number of interrelated and independent populations belonging to different species, in a common environment which can survive in nature. Biotic community comprises a number of populations of different species interacting between them and the abiotic environmen..

Grazing food chain is generally seen in ecosystems such as grassland, pond or lake where a substantial part of the net primary production is grazed on by herbivores (cattle and rodents). Usually upto 50% of the NPP is grazed on by these animals in their respective ecosystems and the..