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Ecology can also be classified on the basis of: . the primary kinds of organism under study, e.g. animal ecology, plant ecology, insect ecology; the biomes principally studied, e.g. forest ecology, grassland ecology, desert ecology, benthic ecology, marine ecology, urban ecology;
Ecology (from Ancient Greek οἶκος (oîkos) ' house ' and -λογία ' study of ') is the natural science of the relationships among living organisms and their environment. Ecology considers organisms at the individual, population , community , ecosystem , and biosphere levels.
The first paper linking diet to risk of Alzheimer's disease was a multi-country ecological study published in 1997. [11] It used prevalence of Alzheimer's disease in 11 countries along with dietary supply factors, finding that total fat and total energy (caloric) supply were strongly correlated with prevalence, while fish and cereals/grains ...
Ecosystem ecology is the "study of the interactions between organisms and their environment as an integrated system". [2]: 458 The size of ecosystems can range up to ten orders of magnitude, from the surface layers of rocks to the surface of the planet. [4]: 6
Ecology – study of the interactions of living organisms with one another and with the non-living elements of their environment. Behavioral ecology – the study of the evolutionary basis for animal behavior due to ecological pressure; Ecosystem ecology – study of biotic and abiotic components of ecosystems and their interactions within an ...
Ecosystem ecology is the integrated study of living and non-living components of ecosystems and their interactions within an ecosystem framework. This science examines how ecosystems work and relates this to their components such as chemicals , bedrock , soil , plants , and animals .
Ecology and evolutionary biology is an interdisciplinary field of study concerning interactions between organisms and their ever-changing environment, including perspectives from both evolutionary biology and ecology. This field of study includes topics such as the way organisms respond and evolve, as well as the relationships among animals ...
A bear with a salmon. Interspecific interactions such as predation are a key aspect of community ecology.. In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biocoenosis, biotic community, biological community, ecological community, or life assemblage.