Here are entered works on biological evolution. Works on the general concept of evolution are entered under Evolution. --subdivision Evolution under individual animals and groups of animals and under individual organs and regions of the body, e.g. Cattle--Evolution; Heart--Evolution
--subdivision Feces under individual animals and groups of animals, e.g. Fishes--Feces
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Animal Feeding -- See Also the narrower term Grazing
Here are entered works on the eating of grasses by herbivorous animals. Works on the eating of woody plants and plant parts by herbivorous animals are entered under Browsing (Animal behavior).
Here are entered works on the nutritional substances animals find or provide for themselves as well as works on their food habits. Works on the nutritional preparations provided for animals by humans are entered under Feeds. Works on the process of providing nourishment to animals are entered under Animal feeding. --subdivision Feeding and feeds under individual animals and groups of animals, particularly in captive and domesticated settings, e.g. Cattle--Feeding and feeds; and subdivision Food under individual animals and groups of animals, particularly in natural or wild settings, e.g. Fishes--Food