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Amphibians Mila Daskalova Dimitar Satchansky Lewbina Ilkova 10/3
Meaning of the scientific name for this clade ,[object Object],[object Object],[object Object],http://wpcontent.answers.com/wikipedia/commons/thumb/d/d9/Spea_hammondii_1.jpg/200px-Spea_hammondii_1.jpg
Symmetry ,[object Object],[object Object],[object Object]
Evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]
Evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]
Types ,[object Object],[object Object],[object Object],[object Object],http://www.nhm.ac.uk/resources-rx/images/caecilin_gower-43199-1.jpg ,[object Object],http://www.aquariumofpacific.org/images/olc/golden_dart_frog600ar.jpg
Main Characteristics ,[object Object],[object Object],[object Object],[object Object],[object Object],http:// www.erodent.co.uk/GardenPond/PondPhotos/Tadpole8.jpg http://www.itsnature.org/wp-content/uploads/2008/02/wallaces-flying-frog.jpg
Main Characteristics ,[object Object],[object Object],[object Object],http://farm4.static.flickr.com/3072/2749701721_88199a97b0.jpg
Reproduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://static.howstuffworks.com/gif/frog-life-cycle.gif
Circulatory & Respiratory Systems ,[object Object],[object Object],[object Object],http://www.mbscientific.com/CircSysAmphibian.gif
Protection Various kinds of protection -Colorization (7) -Jumping (by some frogs) (7) -Fast movement( by salamanders) (7) -Enlargement of the body, feign death (7) -Skin toxins (7)  http://images.livescience.com/images/071030-leaf-frog-04.jpg
Locomotion ,[object Object],[object Object],[object Object],[object Object]
Human Uses/Interactions ,[object Object],[object Object],[object Object]
Tiger Salamander *Abystoma tigrinum, reaches 15-20sm, colored in green, black and grey(5) *Entire life on land, only breed in water, mainly live underground.(5) *Live in hot and dry grasslands(5) *Waits for its prey and captures it with mouth( beetles, earthworms, snails, mice)(5) *If there is not enough food for the larvae they can turn to “canibalism” (5) http://animals.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/animals/images/primary/tiger-salamander.jpg http://mylittlebubble.me/wordpress/wp-content/uploads/2009/08/tiger_salamander_380.jpg
Strawberry Poisonous Dart Frog ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Information and facts on frogs. N.p., n.d. Web. 29 Mar. 2010. <http://www.lookd.com/frogs/  evolution.html>.  http://free-extras.com/images/red_frog-93.htm
Axolotl ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://i48.photobucket.com/albums/f236/photolu2/Axolotl.jpg
Fun Fact ,[object Object],[object Object]
Work Cited ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Amphibians ppt 1-1 10-3 mila satchansky lewbina

  • 1. Amphibians Mila Daskalova Dimitar Satchansky Lewbina Ilkova 10/3
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11. Protection Various kinds of protection -Colorization (7) -Jumping (by some frogs) (7) -Fast movement( by salamanders) (7) -Enlargement of the body, feign death (7) -Skin toxins (7) http://images.livescience.com/images/071030-leaf-frog-04.jpg
  • 12.
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  • 14. Tiger Salamander *Abystoma tigrinum, reaches 15-20sm, colored in green, black and grey(5) *Entire life on land, only breed in water, mainly live underground.(5) *Live in hot and dry grasslands(5) *Waits for its prey and captures it with mouth( beetles, earthworms, snails, mice)(5) *If there is not enough food for the larvae they can turn to “canibalism” (5) http://animals.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/animals/images/primary/tiger-salamander.jpg http://mylittlebubble.me/wordpress/wp-content/uploads/2009/08/tiger_salamander_380.jpg
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Editor's Notes

  1. The word amphibians comes from the Greek ’ ἀμφίβιος amphíbios . The translation of this phrase literaly means “both lifes”, meaning that creatures can live both in water and on land. Amphibians start their life in water, but they spend the most of their lives on land.
  2. Amphibians reproduce by eggs which are laid by the female. These eggs are most often laid in fresh water, but there are certain species such as the “Fejervarya raja” which can survive even in slightly salted areas. There are 3 main ways of reproduction: External Fertilization- when the male holds the female in a specific position and releases the sperm over the eggs immediately when the female lays them. Many salamanders reproduce through this way. The male deposits a certain amount of sperm, which the female later accepts in her cloaca. Caecilinias and tailed frogs deposit sperm directly into the female, fertilizing the eggs.
  3. The main tool which amphibians use is their colorization. Different pigments in their skin cause them to form a natural disguise which protects them from predators. Amphibians can jump, when chased in this way causing the predator to lose sight and scent. Salamanders can run very fast, in this way easily escaping enemies. Some of the techniques which the amphibians use when encountering an enemy: Enlarge their body, feign death, show aggressive colorization Various kinds of amphibians have skin toxins which can cause damage to their opponents.
  4. Ambystoma tigrinum is the other name for it. Reaches 15-20cm, its colorization is a mixture of green, black and grey. Live entire life on land, return to water only to breed, their habitat is underground, they can’t be seen often above ground. They chose to live in hot and dry grasslands. The tiger salamander waits for its prey until it can reach it and then captures it with its mouth. Beetles, earthworms, snails, mice and frogs are some of the targets which salamanders attack. Interesting fact: if there is not sufficient food in the pond, some of the salamander larvae can become “cannibals” and eat other larvae from their own kind. Have the ability to accept moisture through their skin