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An omnivore (/ ˈ ɒ m n ɪ v ɔːr /) is an animal that regularly consumes significant quantities of both plant and animal matter. [ 3 ] [ 4 ] Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates , protein , fat , and fiber , and metabolize the nutrients and energy of the sources absorbed. [ 5 ]
Circular dendrogram of feeding behaviours A mosquito drinking blood (hematophagy) from a human (note the droplet of plasma being expelled as a waste) A rosy boa eating a mouse whole A red kangaroo eating grass The robberfly is an insectivore, shown here having grabbed a leaf beetle An American robin eating a worm Hummingbirds primarily drink nectar A krill filter feeding A Myrmicaria brunnea ...
Omnivores, which feed on both plants and animals, can be considered as being both primary and secondary consumers. Tertiary consumers, which are sometimes also known as apex predators, are hypercarnivorous or omnivorous animals usually at the top of food chains, capable of feeding on both secondary consumers and primary consumers. Tertiary ...
The Omnivore's Dilemma: A Natural History of Four Meals is a nonfiction book written by American author Michael Pollan published in 2006. As omnivores , humans have a variety of food choices. In the book, Pollan investigates the environmental and animal welfare effects of various food choices.
Omnivores are usually generalists. Herbivores are often specialists, but those that eat a variety of plants may be considered generalists. A well-known example of a specialist animal is the monophagous koala, which subsists almost entirely on eucalyptus leaves.
A red fox (Vulpes vulpes) eating a rodent—an example of a mesocarnivoreA mesocarnivore is an animal whose diet consists of 30–70% meat with the balance consisting of non-vertebrate foods which may include insects, fungi, fruits, other plant material and any food that is available to them. [1]
Humans are omnivores that eat a variety of foods. Cultivation of cereals and production of bread has made up a key component of human nutrition since the beginning of agriculture. Early humans hunted animals for meat, and modern humans domesticate animals to consume their meat and eggs.
Ethical omnivorism, [1] omnivorism [2] or compassionate carnivorism [1], (as opposed to obligatory carnivorism, the view that it is obligatory for people to eat animals) [1] is a human diet involving the consumption of meat, eggs, dairy and produce that can be traced back to an organic farm.