Study Guides (247,982)
Canada (121,201)
Biology (194)
BIOL 1902 (62)
all (24)

Natural history of biology.doc

20 Pages
122 Views
Unlock Document

Department
Biology
Course
BIOL 1902
Professor
All Professors
Semester
Winter

Description
Naturalhistory10012013225600GallsareswellingsonaplantcausedbyanimalsinsidetheplanttissuePhysicaldefensecanconsistofbodyarmoregMillipedehardouterskeletonPhysicaldefensecanbesoftalsoegtheeasterntentcaterpillarwebPhysicaldefensecanalsohavesofthairegtussockmothCaterpillarsuseaposematiccolorationwarningcolorationwhichisbasicallybightwarningcolorationallowsapredatortolearnquicklyandavoidthecolorpatterncottontailrabbitsruninazigzagmotionmakingitimpossibleforthehuntertopredictweretheanimalisgoingtobeatthetimeofattackBoththisrabbitandwhitetaileddeeralsoputtheirtailupwhilerunningcalledtheraisedwhiteflagWHYTowarnthepredatorthattheyhaveseenitPredatorhuntonsurpriseandstillsoiftheanimalshowsthattheyhaveseentheirpredatortheymightgiveupSoflagsmightadvertiseawarenessPhysicalandchemicaldefensesSwallowtailcaterpillarshaveanbrightorangeredfleshyorgancalledanosmetriumItlookslikeaserpenttonguethattheystickoutwhentheyaredisturbedtoscareoffpredatorsOsmetriagiveoffabadsmellwhenstuckoutfromtwochemicalsreleasedfromitThisisaphysicalandchemicaldefenseGroupdefenseinsocialinsectsYellowjacketwaspsletoutattackpheromonestoalertthetroopsBirdsalertotherbirdsinaresponsecalledwhichisapreemptivedefensemobbingbehavioraldefensebecauseyoutrytoscareoffyourenemybeforeitattacksyousoanattackinthefuturebyitskindislesslikelyFlockinggeesecrowsdothatTheyflockbecauseofgroupprotectionThemoretherearethesaferThereisasafetyinflocksWhitetaileddeerinlatefallorearlywintertheyleavetheirsummerareasandheaddowntoformlargegroupsThesearecalleddeeryardsTheydothisforsafetyandfoodfishschooldothesameasthereissafetyinnumbersAnothertimeofdefensebyplantsistohirebodyguardsinthenameofantstoprotectthemselvesandtheypaytheminreturnbyhoneydewAnexampleiscarpenterantsguardingaphidsortreehoppersTypesofmimicsPartofbackgroundmimicryisdeadleafmimicryAlthoughthereisadifferencebetweenbackgroundmimicryandbackgroundmatchingInbackgroundmimicrythebodyisshapedlikewhattheyarelookinglikesoitsnotjustthebackgrounditsabackgroundspecifictoanarealikeadeadleafThebirddroppingmothisagoodexampleofbirddroppingmimicWhenyoulowerinyourpraybyimitatingthebehaviorsofanotherspeciesegtoeatphotnusmalefirefliesothertypesoffirefliesimitatefemalefireflybehaviortoattractthemalesandtheneatthemThisiscalledaggressivemimicryWhenagroupofunrelatedanimalsarealldefendedandbearsimilarappearanceitscalledmullerianmimicryInmullerianmimicryeveryanimalcontainsthechemicaldefense
More Less

Related notes for BIOL 1902

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit