Amphibians, or amphibians, are a class of vertebrate tetrapods, including newts, salamanders, frogs, and worms, a total of about 8,384 modern species, and this class is relatively small. .. In Russia -28 Wikipedia
What is the basis for the classification of amphibians?
Traditionally, amphibians as a class are defined as all tetrapods of larvae, but the common ancestors of all living amphibians (frogs, salamanders, and frogsillians) and all of them. The group that contains the descendants of is called Lisanfivia.
What is the amphibian class name?
Amphibians (class amphibians) such as frogs, toads, salamanders, newts, and gymnasiums are cold-blooded animals that metamorphose from larval water-breathing types to adult air-breathing types. Amphibians usually have four limbs.
How many amphibian classes are there?
About 8,100 species of living amphibians are known.
What are the five characteristics of amphibians?
What are the seven main characteristics of amphibians? Amphibians have a spine, are cold-blooded, need a damp place to live, can breathe air through the skin, fertilize eggs from the outside, eat meat, and grow legs as they mature.