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Generalist and specialist species information


A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources (for example, a heterotroph with a varied diet). A specialist species can thrive only in a narrow range of environmental conditions or has a limited diet. Most organisms do not all fit neatly into either group, however. Some species are highly specialized (the most extreme case being monophagous, eating one specific type of food), others less so, and some can tolerate many different environments. In other words, there is a continuum from highly specialized to broadly generalist species.

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Generalist and specialist species

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highly specialized to broadly generalist species. Omnivores are usually generalists. Herbivores are often specialists, but those that eat a variety of...

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Generalist

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a species which can survive in multiple habitats or eat food from multiple sources Generalist Genes Hypothesis, a theory of learning abilities and disabilities...

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Invasive species

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An invasive species is an introduced species to an environment that becomes overpopulated and harms its new environment. Invasive species adversely affect...

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List of feeding behaviours

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intolerance of every food except for one specific type (see generalist and specialist species). Oligophagy is a term for intermediate degrees of selectivity,...

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Specialization

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Specialty (medicine), a branch of medical science Generalist and specialist species, in biology and ecology Specialization in multicellular organisms...

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Food web

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form perfect subsets of the species with which generalists interact",: 575  "—that is, the diet of the most specialized species is a subset of the diet of...

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Mesopredator release hypothesis

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predators control the structure and population dynamics of an ecosystem, but it does not take into account that prey species and primary producers also have...

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Pioneer species

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an early seral stage. Wide-ranging generalists visit early succession stage habitats, but are not obligate species of those habitats because they use...

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Marine food web

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their highly partitioned, generalist diet". PeerJ, 3: e1047. doi:10.7717/peerj.1047. Coll, M., Schmidt, A., Romanuk, T. and Lotze, H.K. (2011). "Food-web...

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Tetraloniella

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there are generalist and specialist species. The specialist species have been noted to be specialists of Asteraceae List of Tetraloniella species "Tetraloniella...

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Sustainable gardening

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home gardeners, and members of the landscape and nursery industries, and municipal authorities, that integrate environmental, social, and economic factors...

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Keystone species

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example. The ochre starfish is a generalist predator and feeds on chitons, limpets, snails, barnacles, echinoids, and even decapod crustacea. The favourite...

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Beech marten

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pine marten is a forest specialist, the beech marten is a more generalist and adaptable species, occurring in a number of open and forest habitats. Its most...

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Erysimum

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and/or oviposition by blocking ion channel function in muscle cells. These chemicals are toxic enough to deter generalist, and even some specialist insect...

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Cougar

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It is an adaptable, generalist species, occurring in most American habitat types. It prefers habitats with dense underbrush and rocky areas for stalking...

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Phalangeriformes

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inhabit most vegetated habitats, and several species have adjusted well to urban settings. Diets range from generalist herbivores or omnivores (the common...

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Coccinellidae

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a specialist species is those of the genus Stethorus, which feed on spider mites. Aphid-eaters tend to be generalist; they have a high voracity and can...

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Edge effects

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fragment landscapes and thus increase the edge effect. This change in landscape ecology is proving to have consequences. Generalist species, especially invasive...

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Centipede

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that ranges from 15 pairs to 191 pairs. Centipedes are predominantly generalist carnivorous, hunting for a variety of prey items that can be overpowered...

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Egg predation

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fish, birds, snakes, mammals, and arthropods. Some species are specialist egg predators, but many more are generalists which take eggs when the opportunity...

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Catopuma

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(2016). "Two species of Southeast Asian cats in the genus Catopuma with diverging histories: an island endemic forest specialist and a widespread habitat...

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Pollination network

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the species that the generalists interact with (a pollinator that visits few species of plant, which are also visited by generalist pollinators). As the...

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Hawaiian honeycreeper conservation

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(Hemignathus virens) is one of seven extant honeycreeper species on Hawai’i Island. It is a small generalist that has historically shown high mortality rates...

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Black caiman

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predator and potentially a keystone species, it is generalist, capable of taking most animals within its range, and might have played a critical role in...

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Abiotic component

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one species a competitive advantage over another, creating pressures that lead to speciation and alteration of a species to and from generalist and specialist...

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