[DOC] [TLE] Amphibians - body, used, water, process, Earth, life, characteristics ... [PAR] Amphibians are in the class Amphibia, which includes over 3,500 species. ... 
Amphibians were the first vertebrates (animals with backbones) to live on land. ... 
They have moist, scaleless skin that absorbs water and oxygen, but that also 
makes ... animal in its early form that does not resemble the parent and must go 
through... [DOC] [TLE] amphibian facts, information, pictures | Encyclopedia.com articles ... [PAR] Amphibians are in the class Amphibia, which includes over 3,500 species. ... 
Amphibians were the first vertebrates (animals with backbones) to live on land. ... 
They have moist, scaleless skin that absorbs water and oxygen, but that also 
makes ... animal in its early form that does not resemble the parent and must go 
through... [DOC] [TLE] Animals which Breathe through their Skin - The Open Door Web Site [PAR] Description of animals that breathe through their skin including a table showing ... 
Some animals which live on land have a skin which is so thin that gases can 
easily ... Large animals which breathe through their skin also use blood to 
transport oxygen to ... Amphibians are also found in wet places near ponds and 
streams. [DOC] [TLE] Amphibian - Wikipedia [PAR] Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern 
amphibians ... Amphibians use their skin as a secondary respiratory surface and 
some .... Air-breathing arthropods evolved and invaded the land where they 
provided ..... In air, where oxygen is more concentrated, some small species can 
rely... [DOC] [TLE] 95.05.08: The Animal Kingdom [PAR] The one phylum of vertebrates (animals with a backbone) is further classified into 
... Amphibians belong to the class of Amphibia which consist of frogs, toads and 
... Most of the mollusks that live on land can be found in damp places such as in 
.... Since tapeworms absorb food directly from the wall of its host's (the animal on
... [DOC] [TLE] The Vertebrates - Austin Community College [PAR] provided more control over body movements. 3. complex skin .... some fish can 
also breath through their skin a few fish can ..... most successful vertebrate class 
..... to keep tail in water to absorb oxygen from water through its skin b. some fish 
can walk on land eg. .... most amphibians have thin moist skin without scales. [DOC] [TLE] Diversity of Vertebrate Animals [PAR] Over the last 400 million years, vertebrate animals have evolved a ... classes), 
amphibians, reptiles, birds, and mammals. A study of ... to life on land and a wider 
range of ecological niches -- adaptations that can .... through gill slits, and this 
selected for fish that could absorb more oxygen directly through their skin. 
Gulping... [DOC] [TLE] Respiration [PAR] past the gill surface, and blood flows through the gills. 53.3 Lungs are ... diffuses 
directly from the air into body cells; in vertebrates, oxygen diffuses into ... the 
lungs and unloads its oxygen in the tissue capillaries. ... other animals respire 
across their skin. .... diffusion surface area provided by gills enables aquatic or- 
ganisms... [DOC] [TLE] Chapter 34 - Vertebrates | CourseNotes [PAR] Invertebrate chordates provide clues to the origin of vertebrates. ... The tunicate 
larva uses its tail muscles and notochord to swim through the water in ..... Those 
that entered shallow, oxygen-poor water could use their lungs to breathe air. ... 
Most amphibians rely heavily on their moist skin to carry out gas exchange with 
the... [DOC] [TLE] Chapter 42 - Circulation and Gas Exchange | CourseNotes [PAR] The closed circulatory system of humans and other vertebrates is often called the 
... leads to capillaries in the gas-exchange organs (the lungs and skin of a frog), 
.... If a pipe's diameter changes over its length, a fluid will flow through narrower 
.... two classes of cells: red blood cells, which transport oxygen, and white blood... [DOC] [TLE] 19.4. Reptiles - cK-12 [PAR] Feb 23, 2012 ... The reptile class is one of the largest classes of vertebrates. ... Reptiles have 
several adaptations for living on dry land

Question: On land this class of vertebrates can absorb oxygen through the skin, provided it's moist
Answer: amphibians