Feeding is the process by which organisms, typically animals, obtain food. Terminology often uses either the suffix -vore from Latin vorare, meaning 'to devour', or phagy, from Greek φαγειν, meaning 'to eat'.
Polyphagy is the ability of an animal to eat a variety of food, whereas monophagy is the intolerance of every food except of one specific type (see generalist and specialist species).
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There are many modes of feeding that animals exhibit, including:
Another classification refers to the specific food animals specialize in eating, such as:
The eating of non-living or decaying matter:
There are also several unusual food sources which can give rise to opportunistic or desperate feeding behaviours, such as:
The specialization of organisms towards specific food sources is one of the major causes of evolution of form and function, such as:
Conversely, prey species accumulate adaptations to resist being predated apon; see antipredator adaptations.
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