Referate und Hausarbeiten : Biologie
Frogs are members of the Amphibian family, which are cold-blooded (poikilothermic) vertebrates. They differ from reptiles in their absence of scales and, for the most part, return to the water to breed. There are about 3,900 species of these tailless amphibians, or Anura. They are also called Salientia, including the frog and the toad.
Amphibians and reptiles together may be considered as a group called Herps, therefore, the study of amphibians and reptiles is called herpetology. The root word, Herp, is from the Greek basically meaning "creepy crawly things that move about on their bellies."
A group of frogs is called an "army."
Some Australian abortiginees and American Indians believe that frogs were the bringers of rain.
In India, frogs were felt to represent thunder in the sky. In Sanskrit, the word for "frog" also meant "cloud."
In the country of China, instead of the "man in the moon," they see the "toad in the moon." The toad is considered one of the five "poisons of yin." Eclipses occur when the "toad in the moon" tries to swallow the moon itself.
To the Japanese, frogs are symbols of good luck. One myth is that bullfrogs are descended froma great ancestor who could suck mosquitoes out of a whole room in a single breath.
Folklore has suggested that if the first frog you see in the string is sitting on dry land, you will shed as many tears as the frog would require to swim away. If the frog jumps into the water, that is even worse. You will experience a year of misfortune. A frog jumping toward you will signify that you will have many friends, but if it is jumping away, you will lose some.
To some unenlightened people, frogs and toads, mainly the latter, are evil incarnations of demons and devils.
Warts, as opposed to myth, are the result of viruses, not frogs and toads.
Batrachophobia-Fear of amphibians, such as frogs, newts, salamanders, etc. Ran...