S: Amphibians For Dummies
FC: Amphibians For Dummies | Kingdom- Animalia Phylum- Chordata Subphylum- Tetrapoda Class- Amphibia
1: Page 1 Table Of Contents Page 2 Amphibian Biomes Page 3 Reproduction Page 4 Behaviors Page 5 Predators/Prey Page 6 Type of symmetry Page 7 Era/Period Page 8 Characteristics Page 9 Food Web
2: Amphibian Biomes Amphibians like to like live everywhere. Most amphibians like to live near water but there are a few that like to live in the dessert. Some frogs may even be living in your backyard. The amphibians mostly like places that are near water so they can reproduce.
3: Amphibians accomplish fertilization of their eggs in a variety of ways. External fertilization, employed by most frogs and toads, involves a male holding a female in a pose called amplexus. In amplexus, the male releases sperm over the female's eggs as they are laid. Salamanders do Internal reproduction. This happens when the male leaves a packege of sperm on the ground then the female pulls it into her cloaca where the eggs are fertilized.
4: Most amphibians protect themselves by hiding or staying still in the presence of danger and using camouflage to match the environment so that the animal is not obvious. Frogs have warning calls that alert other members of the population. Some salamanders and frogs arch their backs and stiffen rock on their bellies. Other salamanders and frogs have flash colors that warn predators away. Several species of each kind of amphibian have toxic skins.
6: Amphibians first begin to form in the Devonian Period. They then evolved in the Carboniferous period in the Paleozoic era.
9: Anurans: Frogs and Toads Urodeles: Newts and Salamanders Gymnophions: Caecilians