Amphibian
• Cold blooded (same temp as outside)
• Young breathe with gills/skin• Adult breathes with lungs/skin• Skin is thin, moist• Circulatory system: closed (has
veins and arteries)
Amphibian
• Lay eggs in the water• Eggs are jelly mass of• 100-1000’s of eggs• Body development:
metamorphosis from egg to tadpole to adult
Giant Cane Toad• Has poison glands so
other organisms cannot eat them
• Introduced to Australia in 1935 to eat Cane beetles (pest)
• Population exploded, because they kill all predators with poison.
• Can’t get rid of them now.
Reptiles
• Temp: cold blooded• Young breathe with lungs• Adult breathes with lungs• Skin: dry, scaly
Reptiles
• Closed circulatory system• Lay eggs in mud, sand, nest• Eggs: leathery, • 30-50• Body development: no
metamorphosis
Watching reptiles eat
http://webh01.ua.ac.be/funmorph/movies.html
Fish• Cold blooded• Young breathe with gills• Adults breathe with gills• Skin: slimy, scaly (usually)
Fish
• Closed circulatory system• Lay (jelly) mass of eggs in water• 100’s-1000’s• Body development: no
metamorphosis
Video clips
• http://www.arkive.org/species/GES/reptiles/Chelonia_mydas/Chelonia_mydas_09c.html?movietype=wmMed green sea turtle laying eggs
• http://www.expertvillage.com/interviews/poison-frogs.htm feeding poisonous dart frogs
• http://www.vivanatura.tv/Htorquata1.html snake eating a frog
http://www.nationalgeographic.com/kids/creature_feature/0203/frogs.html
tree frog, not so great
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