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  2. Human impact on the environment - Wikipedia

    en.wikipedia.org/.../Human_impact_on_the_environment

    The environmental impact of agriculture involves a variety of factors from the soil, to water, the air, animal and soil diversity, plants, and the food itself. Some of the environmental issues that are related to agriculture are climate change, deforestation, genetic engineering, irrigation problems, pollutants, soil degradation, and waste.

  3. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    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

  4. Biological interaction - Wikipedia

    en.wikipedia.org/wiki/Biological_interaction

    Mutualism is an interaction between two or more species, where species derive a mutual benefit, for example an increased carrying capacity. Similar interactions within a species are known as co-operation. Mutualism may be classified in terms of the closeness of association, the closest being symbiosis, which is often confused with mutualism.

  5. Environmental science - Wikipedia

    en.wikipedia.org/wiki/Environmental_science

    Environmental science is an interdisciplinary academic field that integrates physics, biology, meteorology, mathematics and geography (including ecology, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science) to the study of the environment, and the solution of environmental problems.

  6. Environmental history - Wikipedia

    en.wikipedia.org/wiki/Environmental_history

    Donald Worster's widely quoted 1988 definition states that environmental history is the "interaction between human cultures and the environment in the past". [ 12 ] In 2001, J. Donald Hughes defined the subject as the "study of human relationships through time with the natural communities of which they are a part in order to explain the ...

  7. Gene-environment interplay - Wikipedia

    en.wikipedia.org/wiki/Gene-environment_interplay

    Gene–environment interaction occurs when genetic factors and environmental factors interact to produce an outcome that cannot be explained by either factor alone. [6] For example, a study found that individuals carrying the genetic variant 5-HTT (the short copy) that encodes the serotonin transporter were at a higher risk of developing depression when exposed to adverse childhood experiences ...

  8. Natural environment - Wikipedia

    en.wikipedia.org/wiki/Natural_environment

    This environment encompasses the interaction of all living species, climate, weather and natural resources that affect human survival and economic activity. [1] The concept of the natural environment can be distinguished as components:

  9. Gene–environment interaction - Wikipedia

    en.wikipedia.org/wiki/Gene–environment_interaction

    Gene–environment interaction (or genotype–environment interaction or G×E) is when two different genotypes respond to environmental variation in different ways. A norm of reaction is a graph that shows the relationship between genes and environmental factors when phenotypic differences are continuous. [1]