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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.
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
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A generalist is a person with a wide array of knowledge on a variety of subjects, useful or not. It may also refer to: Occupations ... Generalist species, ...
Polyphagy is the habit in an animal species, of eating and tolerating a relatively wide variety of foods, whereas monophagy is the intolerance of every food except for one specific type (see generalist and specialist species).
Darwin argued that species evolved through natural selection from variations within population which he termed as 'varieties'. [ 32 ] Later on, through a series of experiments, Turresson studied the effect of the environment on heritable plant variation and came up with the term 'ecotype' to denote differences between groups occupying distinct ...
The cacomistle is usually considered a generalist species, as it can survive on a wide variety of different foods. [8] Their diet varies from season-to-season, consisting primarily of fruits, flowers, nectar, invertebrates and also some small vertebrates, such as lizards, frogs, toads, and rodents.
There are currently 1,258 genera, 161 families, 27 orders, and around 5,937 recognized living species of mammal. [1] Mammalian taxonomy is in constant flux as many new species are described and recategorized within their respective genera and families.