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BIOL 1902 (382)
Lecture

wk 11.doc

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Department
Biology
Course
BIOL 1902
Professor
Michael Runtz
Semester
Winter

Description
SOME STUDY NOTES FOR WEEK 11LEFT OUT OF LAST LECTURESOME ANIMALS MEET BY CHANCE BARNACLES HAVE LONG PENIS THAT WANDERS AROUND ROCKS AND STICKS IN OTHER BARNACLEBARNACLES DOUBLE CHANCES OF REPRODUCING BY BEING HERMAPHRODITES CONTAIN BOTH SEXESCLAMS SLUGS SNAILS EARTHWORMSHERMAPHRODITISM IS IN THESE ARE SEDENTARY OR SLOWMOVING ANIMALS DOUBLES THEIR CHANCES OF PRODUCING YOUNGVOCAL ADVERTIZEMENTS continuedFEMALE MOOSE COWS VOCALLY CALL BULLS BIRDSFAMOUS SONGSTERS ALL DUE TO SEXUAL SELECTIONMANY SONGBIRDS HAVE ONE SONG FOR BOTH TERRITORY ANNOUNCEMENT AND MATE ATTRACTION WARBLERS USUALLY HAVE TWO SONGS ONE FOR MATE ATTRACTION REDWINGED BLACKBIRDS ARE POLYGYNOUS A FORM OF POLYGAMYMULTIPLE MATES 1 MALE HAS SEVERAL FEMALESPOLYGYNOUS NONVOCAL AUDIBLE ADVERTISEMENTSINSECTS NO VOCAL CHORDS BUT GREAT SONGSTERS OR REALLY MUSICIANSSTRIDULATION PRODUCTION OF SOUND BY RUBBING TWO BODY PARTS TOGETHEREXAMPLES 1 CRICKETS AND
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