man made ecosystems

An ecosystem is a self sustaining structural and functional unit of the biosphere. The ecosystem may be large or small. In the biosphere several ecosystems exist. Usually there is exchange of material and energy between adjoining ecosystems. Ecosystems..

The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals..

An ecosystem may be natural (like forest, lake, ocean etc) or man-made (such as an aquarium, a crop field etc), temporary (like a rainfed pond) or permanent (like a lake, forest, etc), aquatic (such as pond, ocean etc) or terrestrial (like grassland, forest, etc..

Significance of Food Chains - The study of food chains helps in understanding some of the important aspects of the ecosystem in particular and environment in general. The food relationship among the different organisms in an ecosystem The food chains are the living components of the ..

Energy Flow - Energy is the capacity to do work. Solar energy is transformed into chemical energy by the process of photosynthesis, and is stored in plant tissue and then transformed into mechanical and heat forms during metabolic activities. The energy, in the biological world, flows from the sun ..

The most distinguishing characteristic of life is the boundless diversity in living forms. It is the total living (biotic) component of our bioshpere. Biodiversity can be defined as the variety and variability of all animals, plants and micro organisms found on earth. The diversity is due to the ge..

Ecological Balance - The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals). The types of organisms in an area are determined by various factors such a..

Biological Magnification - Certain harmful substances, usually ones not found in nature but introduced by man, may get into plants and/or animals. These poisonous substances may not be broken down in the body or excreted easily, efficiently and quickly. Instead, they accumulate in the tis..

A comprehensive World Conservation Strategy for the judicious use of living resources has been formulated by the scientists of 100 countries. Some of the steps suggested to protect the wild life are: a) Special attention should be given to conserve the species, which fall in the category of endang..

Man has to be dependent on natural resources despite all the scientific inventions Natural resources could be classified into geographical, hydro-geological, atmosphere, edaphic, forest, crop, wildlife, marine / aquatic, animal, human and microbial resources Natural resources are ..