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Biology 20 Unit A Exam Questions and Answers
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Biology 20 Unit A Exam Questions and Answers
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Biology 20 Unit A Exam Questions andAnswers
Tropic iilevel ii- iiAnswers ii-A iicategory iiof iiliving iithings iidefined iiby iihow iiit iigains iiits
iienergy; iithe iifirst iitrophic iilevel iicontains iiautotrophs, iiand iieach iihigher iilevel iicontains
iiheterotrophs
Autotroph ii- iiAnswers ii-An iiorganism iithat iiuses iithe iisuns iienergy iiand iiraw iimaterials iito
iimake iiits iiown iifood
Heterotroph ii- iiAnswers ii-An iiorganism iithat iifeeds iion iiother iiorganisms iito iigain iienergy
First iitrophic iilevel ii- iiAnswers ii-Organisms iithat iimake iitheir iiown iifood iifrom iibasic
iinutrients, iisunlight iior iiother iinon-living iisources iiAutotrophs
Biosphere ii- iiAnswers ii-The iinarrow iizone iiaround iiearth iithat iiharbours iilife
Abiotic iiComponents ii- iiAnswers ii-The iinonliving iicomponents iiof iithe iibiosphere
biotic iicomponents ii- iiAnswers ii-Living iicomponents iiof iithe iibiosphere
Population ii- iiAnswers ii-A iigroup iiof iiindividuals iiof iithe iisame iispecies iioccupying iia
iigiven iiarea iiat iia iicertain iitime
Community ii- iiAnswers ii-The iipopulations iiof iiall iispecies iithat iioccupy iia iihabitat
Ecosystem ii- iiAnswers ii-A iicommunity iiand iiits iiphysical iiand iichemical iienvironment
Biodiversity ii- iiAnswers ii-The iinumber iiof iispecies iiin iian iiecosystem ii
Every iiorganism iiin iian iiecosystem iiis iiconnected, iithe iireduction iiin iibiodiversity iicaused
iiby iithe iiextinction iiof iia iisingle iispecies iicauses iia iidomino iieffect.
Food iichain ii- iiAnswers ii-A iisequence iilinking iiorganisms iithat iifeed iion iione iianother
Producer ii- iiAnswers ii-An iiorganism iithat iimakes iiits iiown iifood
Consumer ii- iiAnswers ii-An iiorganism iithat iimust iieat iiproducers iior iiother iiconsumers iito
iisurvive
Extinct ii- iiAnswers ii-no iilonger iiin iiexistence
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