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Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Amphibians

Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Amphibians. Characteristics. Most have: 4 legs Moist skin No scales Aquatic larvae Double loop circulatory system Exchange gases through skin and lungs. Good Eats. Larvae Frog – herbivores Salamander - carnivores Adults

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Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Amphibians

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  1. Domain: EukaryaKingdom: AnimaliaPhylum: ChordataClass: Amphibians

  2. Characteristics • Most have: • 4 legs • Moist skin • No scales • Aquatic larvae • Double loop circulatory system • Exchange gases through skin and lungs

  3. Good Eats • Larvae • Frog – herbivores • Salamander - carnivores • Adults • Both frogs and salamanders are predators • Salamanders use their jaws to catch prey • Frogs catch prey with their tongues

  4. Excretion • Kidneys filter waste from the blood • Wastes are stored in the cloaca • Land living – urea • Water living - ammonia

  5. Breath of Fresh Air • Larvae • Exchange gases through skin and gills • Adults • Breathe through their lungs, mouths, and thin, moist skin

  6. Getting their blood flowing • Double-loop circulatory system • Keeps the oxygen rich and oxygen poor blood separate

  7. The heat is on • Ectotherms – get their body heat from the environment • When they get hot they burrow in the mud to cool off • When they get cold they hibernate

  8. Making new frogs • Female frogs lay eggs to be fertilized by males in the water • Eggs are covered in a jelly-like substance that helps them stick to plants in the water

  9. Growing up green • During metamorphosis, the tadpole changes from gill-breathing to lung-breathing. • The legless herbivore becomes a four-legged carnivore. • The 2 chambered heart changes into a 3 chambered heart

  10. Frogs vs. Toads • Frogs have moist, smooth skin, while toads have bumpy, dry skin • Frogs have more powerful legs • Toads have glands that release poison to discourage predators

  11. Salamanders vs. Newts • Long, slim bodies with necks and tails • Salamanders: 4 legs, moist skin, lay eggs in water, must live near water, feed on worms, frog eggs and insects • Newts: aquatic throughout their lives

  12. Caecilians? • Wormlike • No legs • Burrow in soil • Eat worms • Live in tropical forests (si SILH yenz)

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