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This list is incomplete; you can help by adding missing items. ( April 2018 ) The page lists all of the families in the clade Tetrapoda , organized by taxonomic ranks .
However, most tetrapod species today are amniotes, most of which are terrestrial tetrapods whose branch evolved from earlier tetrapods early in the Late Carboniferous. The key innovation in amniotes over amphibians is the amnion , which enables the eggs to retain their aqueous contents on land, rather than needing to stay in water.
Though stem-tetrapods originated in the preceding Devonian, it was in the earliest Carboniferous that the first crown tetrapods appeared, with full scaleless skin and five digits. During this time, amphibians (including many extinct groups unrelated to modern forms, referred to as "basal tetrapods") were the predominant tetrapods, and included ...
Trophallaxis: eating food regurgitated by another animal; Zoopharmacognosy: self-medication by eating plants, soils, and insects to treat and prevent disease. An opportunistic feeder sustains itself from a number of different food sources, because the species is behaviourally sufficiently flexible.
Pages in category "Tetrapods" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. ...
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Pages in category "Carboniferous tetrapods" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. *
Various foods. This is a categorically organized list of foods.Food is any substance consumed to provide nutritional support for the body. [1] It is produced either by plants, animals, or fungi, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, and minerals.