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the systematic study of the structure and behaviour of the physical world by watching, measuring and performing experiments
an organism that synthesises its organic molecules from simple inorganic substances(plant)
an organism that lives in or on non-living organic matter, secreting digestive enzymes into it and absorbing the products of digestion
a series of related food chains. Organisms are related by predator-prey and consumer-resource interactions
organisms, typically microorganisms, that feed on dead plant and animal matter, causing the matter to be recycled by other living things
a contest between individuals, groups, nations, animals etc. for territory, a niche or a location of resources
relationship where one organism(parasite) lives in or on another(host) for most of its lifecycle deriving its nutrients from the host
Mutualism and commensalism
a relationship in which both organisms benefit from the association(opp of symbiosis)
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