paragraph on ecology for 200 words
Answers
Ecology deals with the study of organisms in their natural home interacting with their surroundings. The surroundings or environment consists of living organisms (biotic) and physical (abiotic) components. ... We can study ecology at the level of the individual, the population, the community, and the ecosystem.
Modern ecologists believe that an adequate definition of ecology must specify some unit of study and one such basic unit described by Tansley (1935) was ecosystem. According to other definition-an ecosystem is a self-regulating group of biotic communities of species interacting with one another and with their non-living environment exchanging energy and matter. Now ecology is often defined as “the study of ecosystems”.
There are many examples of ecosystems a pond, a forest, an estuary, a grassland etc. Usually the boundaries of an ecosystem are chosen for practical reasons having to do with the goals of the particular study. The study of ecosystems mainly consists of the study of certain processes that link the living, or biotic, components to the non-living, or abiotic, components.
Energy transformations and biogeochemical cycling are the main processes that comprise the field of ecosystem/ecology. We can study ecology at the level of the individual, the population, the community, and the ecosystem.
Studies of individuals are concerned mostly about physiology, reproduction, development or behaviour, and studies of populations usually focus on the habitat and resource needs of individual species, their group behaviours, population growth, and what limits their abundance or causes extinction.
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Answer:
Every organism invariably depends upon the environment and other organism for its existence. It either eats other organisms or is eaten by others and competes with other for the necessities of life such as food, shelter and mate survival requires group association.
Such associations and concept of organisms and their environment in general constitute the science of ecology. The word ecology was coined by Ernst Haeckel in 1869 and is derived from two Greek words oikos meaning house or place of living and logos meaning study of.
The field of ecology deals with the influence of environmental factors on all the aspects of life such as morphology, physiology, growth, distribution, behaviour and survival of the organisms. Ecology or environmental biology pertains to the study of relationship between various organisms and their environment. This includes consideration of plants, animals and human beings.
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