NR 103 exam 1 questions with correct
answers
why |are |chili |peppers |hot |- |CORRECT |ANSWER✔✔-they |have |capsaicin- |makes |them |hot, |
keeps |herbivores |away
define |ecology |- |CORRECT |ANSWER✔✔-scientific |study |of |interactions |between |organisms
hypothesis |- |CORRECT |ANSWER✔✔-H0= |null
HA= |regular |hypothesis
observation |- |CORRECT |ANSWER✔✔--collect |observational |data
-causation |doesn't=correlation
-advantages= |you |can |go |out |and |collect |it, |lots |of |data
-disadvantages= |don't |always |know |the |direct |cause, |just |know |correlation
manipulative |experiment |- |CORRECT |ANSWER✔✔-can |control |a |factor |
-advantage=used |to |test |cause |and |effect, |can |apply |known |treatments
disadvantages= |they |don't |account |for |other |natural |variables, |and |hard |to |conduct |on |larger |
scales
natural |experiment |- |CORRECT |ANSWER✔✔-observational
-advantages= |can |be |done |on |small |or |large |scales, |no |manipulation
-disadvantages= |don't |know |the |direct |cause |and |effect, |can't |control |other |variables
model |- |CORRECT |ANSWER✔✔-a |mathematical |conceptualization
, sampled |data, |modeled |projection
dependent |& |independent |variable |- |CORRECT |ANSWER✔✔-dependent= |the |effected |object |
for. |which |one |is |trying |to |find |the |cause |(y)
independent= |the |predictor |variable |that |is |the |cause |of |the |occurrence |(x)
causation- |correlation |- |CORRECT |ANSWER✔✔-causation |doesn't |= |correlation
could |be |other |factors
confounding |factor |- |CORRECT |ANSWER✔✔-outside |influence |that |has |effect |on |an |
experiment
treatment |- |CORRECT |ANSWER✔✔-combinations |of |factor |levels |
treatment |group |in |an |experiment |receives |the |treatment |(test |subjects)
control |- |CORRECT |ANSWER✔✔-group |that |doesn't |receive |the |variable |testing, |doesn't |
receive |the |treatment
replication |- |CORRECT |ANSWER✔✔-repeating |an |experiment |or |getting |the |same |results |over |
and |over
randomization |- |CORRECT |ANSWER✔✔-choosing |things |randomly, |assigning |them |randomly, |
so |as |not |to |influence |the |experiment
answers
why |are |chili |peppers |hot |- |CORRECT |ANSWER✔✔-they |have |capsaicin- |makes |them |hot, |
keeps |herbivores |away
define |ecology |- |CORRECT |ANSWER✔✔-scientific |study |of |interactions |between |organisms
hypothesis |- |CORRECT |ANSWER✔✔-H0= |null
HA= |regular |hypothesis
observation |- |CORRECT |ANSWER✔✔--collect |observational |data
-causation |doesn't=correlation
-advantages= |you |can |go |out |and |collect |it, |lots |of |data
-disadvantages= |don't |always |know |the |direct |cause, |just |know |correlation
manipulative |experiment |- |CORRECT |ANSWER✔✔-can |control |a |factor |
-advantage=used |to |test |cause |and |effect, |can |apply |known |treatments
disadvantages= |they |don't |account |for |other |natural |variables, |and |hard |to |conduct |on |larger |
scales
natural |experiment |- |CORRECT |ANSWER✔✔-observational
-advantages= |can |be |done |on |small |or |large |scales, |no |manipulation
-disadvantages= |don't |know |the |direct |cause |and |effect, |can't |control |other |variables
model |- |CORRECT |ANSWER✔✔-a |mathematical |conceptualization
, sampled |data, |modeled |projection
dependent |& |independent |variable |- |CORRECT |ANSWER✔✔-dependent= |the |effected |object |
for. |which |one |is |trying |to |find |the |cause |(y)
independent= |the |predictor |variable |that |is |the |cause |of |the |occurrence |(x)
causation- |correlation |- |CORRECT |ANSWER✔✔-causation |doesn't |= |correlation
could |be |other |factors
confounding |factor |- |CORRECT |ANSWER✔✔-outside |influence |that |has |effect |on |an |
experiment
treatment |- |CORRECT |ANSWER✔✔-combinations |of |factor |levels |
treatment |group |in |an |experiment |receives |the |treatment |(test |subjects)
control |- |CORRECT |ANSWER✔✔-group |that |doesn't |receive |the |variable |testing, |doesn't |
receive |the |treatment
replication |- |CORRECT |ANSWER✔✔-repeating |an |experiment |or |getting |the |same |results |over |
and |over
randomization |- |CORRECT |ANSWER✔✔-choosing |things |randomly, |assigning |them |randomly, |
so |as |not |to |influence |the |experiment
