(Latest 2026/ 2027 Update) Essential Biology
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Answers | Grade A
Which term best defines this organization: All the organisms/ species living in a particular area
and the physical components with which the organism interact...
Ecosystem
I design an experiment to test whether or not fertilizer has an effect on the growth of dandelions.
My hypothesis is that dandelions in soil to which fertilizer is added, will produce more biomass.
What is my independent variable in this experiment?
Presence or absence of fertilizer
What is an example of Aposematism?
A bright red beetle sitting on a green leaf.
A black and yellow stinging wasp that buzzes as it flies.
Which model of natural selection is being exerted in the following scenario: In a population of
fish adult body size is a variable trait (with a normal distribution). The smallest adult fish are
cannibalized by their cohorts and the largest adult fish are visible to a bird predator and tend to
be preyed upon frequently.
Stabilizing
, BIOL 101/ BIOL101 Final Exam Review
(Latest 2026/ 2027 Update) Essential Biology
I W/Lab | 100% Verified Questions & correct
Answers | Grade A
Which rmode rof rnatural rselection ris rbeing rexerted rin rthe rfollowing rscenario: rIn ra rpopulation rof
rplants rresistance rto ra rtype rof rfungal rblight ris ra rvariable rtrait r(with ra rnormal rdistribution). rThe
rblight rkills r80% rof rthe rplants, rleaving ronly rthe rmost rresistant rto rsurvive.
Directional.
Which rabiotic rfactor(s) ris/are rresponsible rfor rthe rpresence rof rdifferent rseasons ron rour rplanet? rThe
r Earth's rtilt.
Which rbiome ris rcomprised rof ra rproductive rarea rwhere rrivers rmeet rthe rocean?
r Estuary
Which rkey rabiotic rclimate rfactor(s) rdistinguish rterrestrial rbiomes?
r Precipitation rand rTemperature
Which rbiome rdoes rnot rinclude rfire ras ra rnatural rpart rof rits rcycle?
r Coniferous rforest.
In rthe rfigure rabove, rwhich rbiome ris rrepresented rby r"e"?
,r Coniferous rforest
, BIOL 101/ BIOL101 Final Exam Review
r r r r r r
(Latest 2026/ 2027 Update) Essential Biology I
r r r r r r
W/Lab | 100% Verified Questions & correct
r r r r r r r
Answers | Grade A r r r r
In rthe rfigure rabove, rwhich rbiome ris rrepresented rby r"d"?
r Broadleaf rforest
In rthe rfigure rabove, rwhich rbiome ris rrepresented rby r"a"?
r Desert
Bark rbeetles rfeed runder rthe rbark rof rtrees r(bark rbeetles rand rtrees)
r Herbivory
Beetles rcarry rmites rwith rthem; rthe rmites rdisembark rat ra rfood rsource rand rprey ron rmaggots rwhich
rare rthe rbeetle's rcompetitors r(mites rand rbeetles)
Mutualism
Beetles rcarry rmites rwith rthem; rthe rmites rdisembark rat ra rfood rsource rand rprey ron rmaggots rwhich
rare rthe rbeetle's rcompetitors r(mites rand rmaggots)
Predation