Environmental-Science-BHCT-110

Environment Pollution " Environment" is most commonly used describing "natural" environment and means the sum of all living and non-living things that surround an organism, or group of organisms. Environment includes all elements, factors, and conditions that have some impact on growth and development of certain organism. Environment includes both biotic and abiotic factors that have influence on an organism. Abiotic factors such as light, temperature, water, atmospheric gases combine with biotic factors (all surrounding living species). In other words Environment is the surrounding atmosphere/ condition required for existence of a living being. Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Environmental Pollution is “the contamina...

Environment & Ecosystem Part 1:  Ecosystems and how they work (Topics Covered:  Types of Eco-Systems: Geo-sphere, Biosphere and Hydrosphere; Major issues of Biodiversity,  Conservation of Bio-Diversity ) Ecology   Ecology is the scientific study of the distributions, abundance and relations of organisms and their interactions with the environment. Ecology includes the study of plant and animal populations, plant and animal communities and ecosystems. Ecosystems describe the web or network of relations among organisms at different scales of organization. Concept of an Ecosystem An Ecosystem is a complex set of relationship among the living resources, habitat and residents of that area. It includes plants, trees, animals, birds, insects, water, soil and people. Ecosystems vary greatly in size and the elements that make them up, but each is a functioning unit of nature. Everything that lives in an ecosystem is dependent on other species and element that ar...