Search Results for: Mammals live
cartilaginous supports for the gills). in terms of number of extant species and absolute numbers of living representatives, the agnathans comprise a very minor segment of the animal world in comparison with the jawed vertebrates, which include fish with hinged jaws, amphibians , reptiles , birds , and mammals
the seas. overview and classification vertebrates (subphylum vertebrata) are generally classified into two groups: the agnatha (jawless vertebrates), and the gnathostomata (jawed vertebrates). the latter group includes fish with hinged jaws and the tetrapods ( amphibians , reptiles , birds , and mammals...
https://www.newworldencyclopedia.org/entry/Agnatha
being eaten), vector -transmitted parasitism, parasitoidism , and micropredation. like predation, parasitism is a type of consumer-resource interaction , [ ] but unlike predators , parasites, with the exception of parasitoids, are typically much smaller than their hosts, do not kill them, and often live
toxoplasma . [ ] they have complex life cycles involving hosts of two or more species. in their juvenile stages, they infect and often encyst in the intermediate host. when this animal is eaten by a predator, the definitive host, the parasite survives the digestion process and matures into an adult; some live...
https://en.wikipedia.org/wiki/Parasite
terminology [ edit on wikidata ] the sclera, [help ] also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some elastic fiber . [ ] in humans, the whole sclera is white, contrasting with the coloured iris , but in other mammals
sclerotic ring . in primitive fish, this ring consists of four plates, but the number is lower in many living ray-finned fishes , and much higher in lobe-finned fishes , various reptiles , and birds . the ring has disappeared in many groups, including living amphibians , some reptiles and fish, and all mammals...
https://en.wikipedia.org/wiki/Sclera