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Epipedobates Tricolor

Transcript: The Poison Size: 2-3 cm Diet - small arthropods, including insects like fruit flies and ants. A high majority is of Pumiliotoxin-containing ants (1). Location - Forests of southwestern Ecuador and northwestern Peru (2). Life Cycle - Eggs hatch and the male frog brings the tadpoles to the water where they grow into adult frogs. Family Tree - Animalia Chordata Amphibians Anura (Frogs) Dendrobatidae (Poisonous Frogs) Epipedobates Tricolor Defensive Weapon - The phantasmal poison frog secretes an alkaloid from its skin. The frog accumulates the alkaloids from the many ants that it eats. It will only produce its poison if fed the right ants in captivity. Frogs that are captured maintain poison levels for years (1). The poison is called epibatidine, named in honor of the frog. If an organism brushes the frog, the poison will be absorbed in through the skin. The LD50 of epibatidine is .4 µg, which is 200x more potent than morphine 1. Saporito, R., Garraffo, H. M., Donnelly, M., Edwards, A., Longino, J., & Daly, J. (2004, May 5). Formicine ants: An arthropod source for the pumiliotoxin alkaloids of dendrobatid poison frogs. Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC419554/ 2. Poison frogs: Dendrobatidae - phantasmal poison frog (epipedobates tricolor). (n.d.). Retrieved from http://animals.jrank.org/pages/152/Poison-Frogs-Dendrobatidae-PHANTASMAL-POISON-FROG-Epipedobates-tricolor-SPECIES-ACCOUNTS.html 1. Strong, S. (1998, May 1). Altering chemistry: Epibatidine a novel alkaloid. Retrieved from http://wwwchem.csustan.edu/chem4400/sjbr/strong98.htm This means that .4 µg is enough to kill 50% of a population (3). Natural History Histrionicotoxin is very similar to epibatidine Phantasmal Poison Frog 1. Daly, J., Secunda, S., Garraffo, H., Spande, T., Wisnieski, A., & Cover, J. (1994, June 6). An uptake system for dietary alkaloids in poison frogs (dendrobatidae). Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/7940573 2. Strong, S. (1998, May 1). Altering chemistry: Epibatidine a novel alkaloid. Retrieved from http://wwwchem.csustan.edu/chem4400/sjbr/strong98.htm 3. Louissaint, P. (2008, September 18). Epibatidine: Nature’s pain reliever. Retrieved from http://chemgroups.ucdavis.edu/~shaw/CHE_150_2008/DHC-Website/Epibatidine_LouissaintP.pdf Mode of Action (2) (1) Lets learn about this little fella. Epibatidine binds to a neuronal nicotinic receptors in the brain. This desensitizes the receptor from receiving any of the natural ligand, acetyl choline (1). This effectively shuts down the muscle control system and paralyzes the victim, leading to die of asphyxiation. Accidental poisonings of humans are treatable by putting them on a ventilator until the effects of the poison wear off. There is no medical uses of epibatidine, but a compound that was synthesized from it called ABT - 594 is being tested for a pain relieving medicine (1). Epipedobates Tricolor

DJ download presentation!!

Transcript: START! A DJ or "Disc Jockey" is aperson who plays recorded music and mixes two or more tracks or records. In 1857, a Frenchman, Leon Scott Invented the first phonoautograph. This device was used to record sound but with no way to playback. It was made of a wax cylinder with grooves on the outside. Soon Emile Berliner's Gramophone would replace it in 1887. The Gramophone also has grooves on it for recording only it's a plastic disc making it re-usable. Some time in Jamaica during the 50's some premotors who called themselves "Djs" would play two different songs on seperate Gramophones with a mix-board in the middle(third pic below). DJs and songs! Biblyographies: http://en.wikipedia.org/wiki/Disc_jockey http://www.rane.com/note146.html A Website address: http://howtodj.djdownload.com/ Modern day portable Mix-board (DDJ-ERGO) Effects units Vinyl records Two record players or an mp3 Multiple Sequencer Sound system DJ mixer Headphones microphone(optional) Effects units(eletronic altering device) FINISH! ? 5 Skrillex ( Sonny Moore) Born in, January 15, 1988 Los Angeles, California, USA Present Felix Da HouseCat ( Felix Stallings Jr) Born on August 25, 1971, Chicago, Illinois,USA Present 1 Vinyl records 3 Phonoautograph Nujabes (Jun Seba) Born in Japan, February 7, 1974 Died at the age of 36 on February 26, 2010 History of the DJ! 2 microphone 4 DJ with traditional Mix-board. 4 DJ download.com is a website where famous DJs give tips and tricks on how to DJ. Gramophone David Guetta Born on November 7th 1967 in France Present DJ mixer A presentation on Djs,their history,their tools, and some tutorials! 5 Headphones TOOLS of aDJ! 3 Multiple Sequencer Excision (Jeff Abel) Born in Kelowna, British Columbia, Canada 1986 Present 1 Record player 2 Sound system

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