Ecosystem : Meaning and Definition

Ecosystem         The term ecosystem was first used by A. G. Tansley in 1935 who defined ecosystem as 'a particular category of physical systems, consisting of organisms and inorganic components in a relatively stable equilibrium, open and of various sizes and kinds'.      ...

By: সাদমান On 12:08 PM

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Ecology : Meaning and Definitions

Ecology meaning Ecology in a very simple term. The word ‘ecology’ (‘oecology’ or ‘oekology’) derived from two greek words, ‘oikos’ meaning house or dwelling as habitat and ‘logos’ meaning the study of. Ecology definitions The term ‘ecology’ was first coined and used by the German biologist, Ernst Haeckel...

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What is environment ?

Meaning Of Environment The word environment’ has been derived from the French word ‘environer’ meaning to encircle or to surround. The Dictionary meaning of the word ‘environment’ is a ‘surrounding’ ; external conditions influencing development or growth of people, animals or plants; living or working conditions etc. definition...

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what is environmental geography

Meaning of Environmental Geography ‘Environmental geography is basically the study of Environment’. If this is so, why it should not be termed as “geography of environment” ? The answer is easy, the term of Environmental geography lays more emphasis on man-environment relationships.Probably K. Hewitt and F. K. Hare...

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Food Web ?

Food Webs A food web is made up of interconnected food chains. Most communities include various populations of producer organisms which are eaten by any number of consumer populations. The green crab, for example, is a consumer as well as a decomposer. The crab will eat dead things or...

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Food Chain ?

Food Chains All living organisms (plants and animals) must eat some type of food for survival. Plants make their own food through a process called photosynthesis. Using the energy from the sun, water and carbon dioxide from the atmosphere and nutrients, they chemically make their own food. Since they...

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