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Read this essay to learn about ecosystem. After reading this essay you will learn about: Meaning of Ecosystem 2. Nature of Ecosystem 3. The Laws of Thermodynamics and Energy Flow 7. Ecosystems Dynamics and Successional Process 8.
An ecosystem is a functional unit of nature, where living organisms interact among themselves and also with their surrounding physical environment. Ecologist considers the entire biosphere as a global ecosystem comprised of many ecosystems on the earth varying in size from a small pond to a large forest or a sea.
Ecosystem can also be defined as an interactive system, where biotic and abiotic components interact with each other via energy exchange and flow of nutrients.
Crop fields and an aquarium are considered as man-made ecosystems.
Ecosystems consist of living organisms and material environments of soil, air and water, and occur at a variety of scales. As with all systems the ecosystem is composed of a series of inputs, processes or stores and outputs.
Although various components within it may change, it is usually maintained in a state of balance, called dynamic equilibrium. This stability is due to homeostatic mechanisms, which work rather like the thermostat in a heating system.
In an ecosystem, changes thus, may be shown by feedback, which is ability of the output to control the input. At a global scale, land environments with similar plant and animal communities for natural regions or biomes.
Each ecosystem has a unique range of species forming its biological diversity or biodiversity. An outline is shown in Fig. The living organisms in an ecosystem collectively form its community or population. Each stage in the food chain is called a tropic level. The producers are the autotrophs, thus forms the first tropic level.
Producers form the food for the consumers or heterotrophs. In land based ecosystems they will include grazing and browsing animals such as antelope, elephant and giraffe, together with plant eating insects and birds.
Some of the higher level consumers, for example bears, eat both plants and animals, and are called omnivores. Predators are those, which hunt, capture and kill their prey.
Carrion feeders consume dead and dying animals.
Parasites live on their host animals. After plants and animals die, they and their waste products arc decomposed by saprophytic microorganisms such as fungi and bacteria. Very small decomposing fragments form detritus, which is then fed on by small animals, detrivores, including earthworms and woodlice.
Abiotic Component or Habitat Concept:Boutique ; Eco hero essays. Home Application of science in daily life essay larry niven essay man of steel woman of kleenex box the birdcage movie articles or essays school bullies vs dictators essay christianity and buddhism comparison essay conclusion goals and aspirations nursing essay the horrors of war essay Eco hero essays Submit your Article.
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Only at tranceformingnlp.com". ADVERTISEMENTS: Essay on Eco-Tourism: Definition, Objective, Function and Other Details!
By the end of the 20th century, tourism has become the largest industry in the world, and this is now considered as the most rapidly growing industry of the world.
The World Tourism Organization (WTO ) predicts that international tourism will grow . Short Essay on Eco Tourism ( Words) Article shared by. Eco tourism is one of the fastest growing trends in the worldwide tourism industry. Environment has an intrinsic value which outweighs its value as a tourism asset.
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