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Amphibians. By Jennifer Baer. Kingdom Phylum Class. Animalia Chordata Amphibia. Classification. Give (2 min.) List everything you know. Consider characteristics, habitat, food and examples of animals. Get (4 min.) List ideas from classmates. Give One, Get One.

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amphibians
Amphibians

By Jennifer Baer

classification
Kingdom

Phylum

Class

Animalia

Chordata

Amphibia

Classification
give one get one
Give (2 min.)

List everything you know. Consider characteristics, habitat, food and examples of animals

Get (4 min.)

List ideas from classmates.

Give One, Get One
examples of amphibians6
Examples of Amphibians
  • Caecilians
    • Tropical (NOT in U.S.)
    • Limbless
    • Secretive
habitat
Habitat
  • Moist
habitat8
Habitat
  • Shaded
characteristics
Characteristics
  • Skin is
  • Moist and
  • Clammy
  • Slimy
  • Function of skin
  • Gas Exchange
  • Protection
life cycle
Life Cycle
  • Eggs are deposited in_______ where the male __________ them.
life cycle11
Life Cycle
  • Larva have ________ and a ________.
life cycle12
Life Cycle
  • Adults have __________.
life cycle13
Life Cycle

What % of amphibians follow this life cycle?

  • 10%

_________

_________

_________

life cycle14
Life Cycle

Hatch

Larva

Egg

Reproduction

External fertilization

Adult

Metamophose

species in oregon
Species in Oregon

32 species of Amphibians in Oregon

species in oregon16
Species in Oregon
  • Pacific Treefrog
    • Native to Oregon
    • Where can you find larvae?
    • Time to mature
    • Sound
      • Listen!
species in oregon17
Species in Oregon

Red-legged Frog

red legged frog
Red-legged Frog
  • Field trip to Strube
    • Lay eggs Jan/Feb
    • Pond characteristics
  • Will not hear
  • Jump into water if startled
  • Healthy population
red legged frog19
Red-legged Frog
  • Egg mass
  • What affects survival rate?
  • Drying out
  • Temperature
  • Oxygen
  • Pollution
  • Predators
  • Survival rate 1%
red legged frog predators
Red-legged Frog predators

NW Salamander

Common Garter Snake

red legged frog diet
Red-legged Frog Diet
  • Eggs eat
    • yolk
  • Tadpoles eat
    • yolk, detritus, algae
  • Adults eat
    • insects
invasive predator
Invasive predator
  • Bullfrog
  • Where did it come from?
  • Range in Oregon
  • What is the problem?
    • Eats egg masses
  • Which eggs are safe?
    • Ponds that dry up
bullfrog
Bullfrog
  • Female lays 6,000 to 20,000 eggs!
  • Eggs hatch 4-5 days
  • Larvae overwinter
  • Chorus
    • Listen!
species in oregon24
Species in Oregon
  • Long-toed Salamander
  • Habitat: desert, meadows, forest
  • Life cycle
    • spermatophore
  • Eat
  • Predators
species in oregon25
Species in Oregon
  • Roughskin Newt
  • Range: W. Oregon
  • Habitat: forest
  • Life cycle
newt poisonous
Newt—Poisonous!!
  • Defense mechanisms
    • Color
    • Poison glands
    • Posturing
  • Evolutionary arm’s race with garter snake.
  • Predators: Common Garter Snake
best bets for viewing
Best Bets for Viewing
  • Treefrog: Amazon Creek; Pisgah ditches
  • Red-legged Frog: Strube field trip
  • NW Salamander: Strube field trip (eggs); Camp Creek & other McKenzie tributaries (larvae)
  • Bullfrog: Oxbows, Willamette R.…
  • Long-toed Salamander: Thurston Road, ponds at W. Eugene Wetland Interpretative Center
  • Newt: coastal trails in winter
credits
Credits
  • Tom Titus, University of Oregon
  • http://sps.k12.ar.us/massengale/amphibian_notes_bihtm
  • http://www.lensjoy.com/gallery/62.htm
  • http://www.tarleton.edu/!range/
  • http://www.uoguelph.ca/zoology/devobio/210labs/epithelial1.html
  • M. Gregory: http://web.uvic.ca/bullfrogs/ra.htm
  • http://www.naturesongs.com/otheranimals.html