a comparison of the abiotic characteristics of aquatic and terrestrial ...
a comparison of the abiotic characteristics of aquatic and terrestrial ...
a comparison of the abiotic characteristics of aquatic and terrestrial ...
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A LOCAL ECOSYSTEMRELATIONSHIPS BETWEEN ORGANISMS INAN ECOSYSTEMANSWERS1)ApredationalleopathyparasitismmutualismcommensalismBA detrimental relationship in which oneorganism kills <strong>and</strong> eats ano<strong>the</strong>r one.A detrimental relationship in which one plantreduces <strong>the</strong> growth <strong>of</strong> ano<strong>the</strong>r one in its vicinityby secreting inhibitory chemicals.A relationship in which one organism usesano<strong>the</strong>r organism (<strong>the</strong> host) as its food source.The host is adversely affected, but does notusually die.A necessary beneficial relationship betweentwo organisms; both need each o<strong>the</strong>r forsurvival.A relationship between two organisms in whichone or both benefit; nei<strong>the</strong>r are harmed.2) a) mutualismb) commensalismc) commensalismd) parasitisme) mutualismf) alleopathyg) predation3) Commensalism, because each species is capable <strong>of</strong> existing independently <strong>of</strong> <strong>the</strong> o<strong>the</strong>r.14Preliminary Biology Teacher Resource – Book 1
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