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Parasitology Exam 1 Content

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All the content for Parasitology (ZOO4234) at FIU with Paul Sharp for Exam 1 covered, finished the exam with 100% using these notes

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PARASITOLORY EXAM 1

INTRODUCTION


of mode of life Earth
Parasitology : study the most common on
-




-


-
Focused or parasites effecting

· H -manS




* Domestic o n : m - 1 S



Wildlife


-
parasite : on organism that lives in or on crot h e r organism chost) and either

~

of
itemente
norms te e m o st or ex p e n s e the m o st

-

-

is parasitology important ?
why

*
parasite re s : Stand e



·
Insecticide resistance in insect vec tors



·
Global movement



· Environmental changes


·
Growing immunosuppression in populations


BEHAVIOR ALTERNATING PARASITE

of Ants
-

Ophiocordyceps Unilateralis : Frugal parasite


while
s p o re s and on out
foraging
-




-
Fregrs re l e a s e enzymes to infec t the act
-



-
Asters An t behavior
-


· Forces out Climb to northerm side of leaf ; clomp mondibles
to



· Dies in place ws fenges protruding from body

-

purpose e optimal spore dispersal


-

mycelium grows out of body to protect nutrients and socce fromThe
-


MUSSEL PARATISM


-
Female Pocketbook mussel : produce glochidia Clarvae) that m u st find a


-



Fish h o st
ener



fleshy inves to minic and attract fish
-
use prey
- - -


-
When fish try to eat the bure
....
m u ss e l re l e a s e s




glochidia i n to fish's g : lls



-
Af te r about I month ....
L a r va e re l e a s e from fish and continue development



n u t r i e n ts fish
- parasitism : s ou rce dosory f ro m during this time
-
-


CRUSTACEAN PARASITE


-
Tongue-Eating house :
Gymothoa ex i g u a
easie

-
moles a re smaller

,-

Female s .... enter fish's wo r t h and attach to & feed
-



· -tons-es base
-


-

Toegre atrophies and falls off
-



tongue
trumminentally
depicting
-
house re m a i n s in place
,




-


only k n ow n parasite to
functionally replace a host's o rg a n



VAMPIRE BAT

- common va m p i re Bat : desmodus rotundrs


- s eve r a l species = white winged
wary legged
,


swa l l of other outs
re l a t i ve
-


,



-
Feed or blood of mommas Crows/sheep) & night
-


-
cm b : + ehumans



-
use a n e st h e t i c : - S a l i ve to m a ke bites painless
- re s e a r


of blood
vo l u m e and l e ave
quickly
-

Extract a l a rg e



PARASITIC PLANTS


- Dodder Cuscuta) : parasitic vine that uses
-




chemoreception to find most plant
-
-.
-




son
fi d host
-
+
mus -




-




-




BROOD PARATISM


-
Blood paratism : One o rg a n i s m uses another's parental c a re
- - -



-
Female and Mose c u c ko o birds jack parental behavior
-
- c a t e


- Female wa i ts until a m o st bird (feed worbsard leaves
-



i ts nest s u c ko o the
,
ther drops a
egg into nest
,

sometimes c r a c ks a most
egg

l ays up to 20 eggs this por nest
way one
-


,




-
c u c ko o m a tc h e s f i rs t pushes out other eggs
,




-
If host bird re m ove s C u c ko o bird = Pa re n t c u c ko o destroys best




ORGANISMAL INTERACTIONS

symbiosis : i n te r a c t i o n among organisms organism l i ve s with
,
-


in which one




in ,
or on the body of
another




Samoionts orissinvoredi sombotic
-
relationship w other o s a




of
typically
· = the
mosts the largests t wo
-

, TYPES OF SYMBIOSIS

Joenefit harm)
Neutralism
Yeo
: or either
-

No e ffe c t on

-


· theoretical n o rd to prove in n a t u re because i ts tough to do
,




"
· "lack of benefit or detriment on both


Buffalo ,
lion croc
,
mpacted
:
competition
Both
negatively :
-




· Two organisms compete fo r the same re s o u rc e



· = car nivorous animals for
ex1 c o m p e te prey
-




· xz = plants compete for sunlight ,
wa t e r
,
nutrients
,
pollinators
-




bladderwort cutricularia)
Emma
· p l an t al
ex = competes tiny


= ishes fo r small a tropods


benefit
Mutualism
(Fret) : Both most and symbiont
-



-




· when n o u separate the WILL DIE
,
- -



· dependance
physiological typically

· Ex1 = Termites & Protozoans (digest wood

- Blood
sucking intestinal bac teria


Exb
Ex = leaches &


serbiosis station a
=
cleaning a reef creaming

· Ex 4 = Lichen : Fungus & g re e n algad/cycrolactor : a




unaffected
-
Commensalism
my : one prefits
,
the other


-

Lost is unaffected
- -


>
/
"eating "
·
means at some +able



· EX1 = Re c o rd s benefit) on whole shark (neither

· X2 = Barracked benefit) on whale ↓ neither

·
Ex 3 = epiphates (benefit) on t re e
(neither
-


↳ plants that grow on other plants


unaffected
<mid other
the
Amensalism
,
-

: one wo r m e d




· EX 1 = bread wold penicillir m that produces penicillin
/ ,




an an t ib iot ic that kills bac teria harmed 3


& EX2 = black wa l n u t t re e produces jungalone , a




t ox i e s inhibiting plant growth beneath




onefits <parasites normed Chost)
(t)
-
parasitism : one one
,




· EX 1 I human infected w l Guinea wo r m




Ke beneficial
Protocoperation sembiosis which the
-
:
Mutually in




of
interaction is Not physiologically necessary
fo r + we sur vival either
-




· 11 better if take
when to g e t h e r things a re but yo u them
,




apart
they
wo n ' t die

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