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BIOL 1902 (382)
Lecture

BIOL 1902-A Sept.21st.doc

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Department
Biology
Course
BIOL 1902
Professor
Michael Runtz
Semester
Fall

Description
BIOL 1902-A st Wednesday September 21 2011 − Warning coloration;Aposematic. − Monarch caterpillar; Sequester Cardiac Glycoside poison from Milkweeds − Fireflies are actually beetles − Photuris fireflies sequester steroidal toxins by eating photinus fireflies; Aggressive Mimicry − Chemicals can be stored and released in a variety of body parts − Osmetaria − Sawfly larvae; Terpaloids − Blister Beetle; Cantharidin; comes out of leg joints − Wasp; stinger-injector − Skunk; Sulphur alcohol − Bombardier Beetle – hot quinone − Aposematic coloration allows a predator to learn quickly and avoid that colour pattern − When a group of unrelated animals all are defended and bear similar appearance = Mullerian
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