BIO 215 Exam Study Guide Questions With Correct Answers.

BIO 215 Exam Study Guide Questions
With Correct Answers
Selection |that |favors |one |extreme |- |CORRECT |ANSWER✔✔-Directional



Selection |that |favors |the |mean, |selecting |against |extremes |- |CORRECT |ANSWER✔✔-Stabilizing



Selection |against |the |mean, |towards |extremes |- |CORRECT |ANSWER✔✔-Disruptive



Branching |of |lineages |into |two |or |more |descendent |lineages |- |CORRECT |ANSWER✔✔-
Cladogenesis



Evolutionary |history |of |a |species |or |group |of |species. |- |CORRECT |ANSWER✔✔-Phylogeny



Evolutionary |change |within |a |single |lineage |- |CORRECT |ANSWER✔✔-Anagenesis



Where |does |the |data |to |make |phylogenetic |trees |come |from? |- |CORRECT |ANSWER✔✔-DNA |
analysis, |fossil |records, |comparative |anatomy



When |there |are |multiple |phylogenetic |explanations |of |the |relationships |between |organisms, |
choose |the |simplest |one. |- |CORRECT |ANSWER✔✔-Parsimony |principle



A |similar |(analogous) |structure |or |molecular |sequence |that |has |evolved |independently |in |two |
species. |- |CORRECT |ANSWER✔✔-Homoplasy



Process |by |which |unrelated |organisms |independently |evolve |similarities |when |adapting |to |
similar |environments |- |CORRECT |ANSWER✔✔-Convergent |evolution

, What |are |the |requirements |for |a |phenotype |to |be |selected |for |or |against |by |natural |selection?
|- |CORRECT |ANSWER✔✔-Variable, |heritable, |differential |survival |and |reproduction




The |evolutionary |process |by |which |populations |are |altered |over |generations |to |become |
adapted |to |a |particular |environment |- |CORRECT |ANSWER✔✔-Adaptation



A |characteristic |(trait |or |behavior) |of |an |organism |that |evolved |by |natural |selection |- |CORRECT
|ANSWER✔✔-Adaptation




What |three |types |of |traits |fall |under |the |category |of |"phenotype"? |- |CORRECT |ANSWER✔✔-
Morphology, |behavior, |physiology



Traits |that |vary |continuously |- |CORRECT |ANSWER✔✔-Quantitative |traits



Quantitative |traits |are |affected |by |how |many |loci? |- |CORRECT |ANSWER✔✔-Several, |
sometimes |thousands



The |relationship |between |a |quantitative |trait |and |the |expected |fitness |of |an |individual |with |a |
variant |of |that |trait |- |CORRECT |ANSWER✔✔-Fitness |function



If |beta |is |[BLANK] |zero, |there |is |positive |selection |on |a |trait |- |CORRECT |ANSWER✔✔-greater |
than



If |beta |is |[BLANK] |zero, |there |is |no |selection |on |a |trait |- |CORRECT |ANSWER✔✔-equal |to



If |beta |is |[BLANK] |zero, |there |is |negative |selection |on |a |trait |- |CORRECT |ANSWER✔✔-less |than