Paryavaran

  Natural Resources   All resources which are available in the nature and useful for human welfare are known as natural resources or physical resources. Example air, water. Introduction – Zimmerman defines resources ‘as means of attaining given ends. Resources satisfy human wants. The term resource means anything in the environment which has utility.   Definition - Erich W. Zimmerman defines a resource as not just a thing or substance but the function that the thing or substance performed in order to satisfy human needs and wants. It means a thing becomes resources by its function in relation to man. Ex. Coal is become resources due to its function for satisfying human wants. Classification of Natural Resources 1) Based on frequency of occurrence a.   Universal Resources- which are available everywhere                   Ex. Air, water, sunlight b.   Localized Resourc...

 Biodiversity                                                IMPORTANCE OF BIODIVERSITY Biodiversity, the variety of life on Earth, is foundational to human well-being and the health of ecosystems. It encompasses the diversity within species, between species and of ecosystems. So biodiversity is very important. 1. Ecosystem Service Biodiversity underpins essential services ecosystems provide, such as clean air, water and soil fertility. For example, forests absorb carbon dioxide, wetlands filter water and mangroves protect coastlines from erosion and extreme weather events. These natural systems play a vital role in climate regulation and can help reduce the impact of natural disasters, thereby safeguarding human communities. 2. Food Security and Agriculture Biodiversity is the backbone of global food systems, offering a variety...

Components of Environment Environment is a complex phenomenon of different factors which are the product of the forces and processes of nature. It comprises of number of factors that interact with each other in different ways to keep the planet alive and support the life on the earth. Environmental factors influence the living being in several ways. Organisms continuously take the things they need from the environment and depend entirely on their environment for their     survival. Different living beings live in different habitats for survival. The components of the natural environment can be classified into two broad groups:   Abiotic or Non-living. Biotic or Living. There is also a Man-made environment . Abiotic or Non-living Components The abiotic or non-living components are all those physical     and chemical factors which influence the life of the living beings.   Abio...