Name
Date
Hour
SYMBIOTIC RELATIONSHIPS
Pleaseplace thenumberof thecorrecttermon theblankinfront of thedescription.
1.COMMENSALISM
2. PARASITISM
3. MUTUALISM
bamacle/whale
to
Bamaclescreatehomesitesby attachingthemselves
whales.This neitherharmsnor benefitsthewhales.
tree
mistletoe/spruce
Mistletoeextractswaterandnutrientsfrom the sprucetree
to thetree'sdetriment.
yuccaplant/yuccamoth
Yuccaflowersarepollinatedby yuccamoths.Themoths
lay their eggsin the flowerswherethe larvaehatchandeat
someof thedevelopingseeds.Both speciesbenefit.
hermitcrab/snailshell
by
Hermitcrabslive in shellsmadeandthenabandoned
harms
nor
benefits
the
snails.
snails.Thisneither
oxpecker/rhinoceros
Both
feedon theticksfoundon a rhinoceros.
Oxpeckers
speciesbenefit.
cowbird/buffalo
As bufflaloswalkthroughgrass,insectsbecomeactiveand
areseenandeatenby cowbirds.This neitherharmsnor
benefitsthebuffalos.
mouse/flea
A flea feedson a mouse'sblood to the mouse's deffiment.
wrassefish/blackseabass
foundon theblacksea
Wrassefish feedon theparasites
benefit.
bass'sbody.Bothspecies
deer/tick
Ticks feedon deerbloodto thedeer'sdetriment.
ants
silverfish/army
Silverfishlive andhuntwith armyantsTheysharetheprey.
Theyneitherhelpnor harmthe ants.
cuckoo/warbler
A cuckoomaylay its eggsin a warbler'snest.The
cuckoo'syoungwill displacethewarbler'syoungandwill
be raisedby thewarbler.
honey guide bird/badger
Honey guide birds alert and direct badgersto bee hives.
The badgersthen exposethe hives and feed on the honey
first. Then the honey guide birds eat.Both speciesbenefit.
hookworms/fiumans
Hookworms enter the human body by burrowing into the
skin ofthe feet. Once in the skin they enter the bloodstream
and travel to the small intestine where they attach to the
walls and begin to the drink the person'sblood and weaken
the victim.
kapoc trees/orchids
Types of orchids grow high on the branchesofthe tall
kapoc treesof the jungle. This adaptationallows the orchid
to receiveenoughsunlight to perform its photosynthesisbut
the kapoc treesare unaffected.
lichenalgaellichen
fungus
Lichens are close associationsof fungi and algae.The fungi
hold the water supply and the algaeperform photosynthesis
and manufacture the carbohydratesfor both.
acaciatree/ants
In the jungles of South America live a thom tree called an
acacia.A speciesofant eatssecretionsofthe acacia,drink
its sap,and raise its young in the hollow thoms. The ants
also keep competingvines from growing near the acacia
tree and they help repel any insectsthat would damagethe
acacia.
moose/tapeworm
In the flesh of the mooseare the cysts (dormant stage)of a
worm that makesthe musclesofthe moosestiffand sore.If
the mooseis killed and eatenraw, the predatorspecieswill
develop a form oftapeworm.
lactobacilliArumans
Lactobacilliarea typeof bacteriathat live in our lungsand
destroymanyof the microorganisms
thatenterour
respiratorysystem.Theyarehighlyadaptedto living in our
lungsandcan't suryivein manyotherhabitas.
soybeans/bacteria
requirenitrogenfromtheir environment.
This
Soybeans
nitrogenis providedby bacteriathat live in specialroot
nodules.In retum,thebacteriareceivesomeofthe sugar
(carbohydrates)
manufactured
by the soybeans.