Frogs be amphibians in the order Anura (meaning tailless, from the superannuated Greek an-, without + oura, tail). They were formerly referred to as Salientia (Latin salere (salio), to jump). slightly frogs atomic number 18 characterized by a short-circuit body, webbed fingers and toes, jut out eyes, cleft tongue and the absence seizure of a tail. They be brilliant jumpers and many a(prenominal) of their anatomical characteristics, especially their long, powerful hind legs, argon adaptations to improve jumping performance. due(p) to the permeable nature of their skin, done which they can breathe, many frogs be semi-aquatic or abide wet areas. They also live on land even in arid regions and about species inhabit trees or burrow in the ground. They typically lay their testis in water and their larvae, called tadpoles, are aquatic and have gills and tails. most tadpoles are herbivorous nevertheless adult frogs have a carnivorous diet, most ly consisting of insects, spiders, worms, slugs and snails. Frogs amaze a wide hold of calls particularly in their educational activity season. Frogs are astray distri besidesed, ranging from the tropics to subarctic regions, hardly their superior diversity is lay down in tropical rainforests.
Consisting of about 4,800 cognize species, they are among the most diverse groups of vertebrates and first appeared in the fogy record or so two hundred and fifty jillion year ago. Frogs are an chief(prenominal) part of the food fibril and the major consumer of land invertebrates. several(prenominal) produce toxic secretions but d espite this, many are eaten by birds, mammal! s, reptiles and fish. In accompaniment to their ecological importance, frogs have many cultural roles, such as in literature, symbolism and religion, and they are also valued as food for humans. Populations of some frogs are in significant decline, some species have become dead and the number of deformities among frogs is increasing in some areas. A attribute is often made amidst frogs and toads on the basis of their appearance but this has no systematic validity. The...If you want to get a wide of the mark essay, order it on our website: BestEssayCheap.com
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