Brigham Young University Bio 130 Exam 3 Questions With
Complete Solutions
A higher R coefficient will show what? Correct Answers Will
show the likelihood of it being the right interspecific
relationship
A node is the the point of... Correct Answers branching
evolution
A nose is more important to humans because of.... Correct
Answers our bigger brains which require that we respirate more
to get more oxygen
Absolute dating Correct Answers using radioactive isotopes
allopatric speciation Correct Answers populations are
geographically isolated, preventing genetic interchange
Altruism Correct Answers Actor is harmed/recipient benefits
Altruism Definition Correct Answers An action that increases
the fitness of another while in turn decreasing the fitness of the
altruist
Altruistic Correct Answers
Ammensalism Correct Answers -/0
Analagous Traits Correct Answers Results from convergent
evolution. Characters that have separate evolutionary origins but
,are superficially similar. Similarity in FUNCTION but not
origin
Analogous Structures Correct Answers They resemble each
other superficially but were evolved independently
Atavisms Correct Answers Evolutionary throwbacks. Traits that
don't show up normally
batesian species Correct Answers species mimics the look of a
harmful species
behavioral isolation Correct Answers little or no sexual
attraction between males and females
Bioaccumulation Correct Answers When levels of substances
(toxic or otherwise) accumulate in individuals higher up in the
food web
Biomass is Correct Answers percentage of total living species
in an environment
Biotic Potential Correct Answers there has to be more offspring
than can survive which will spur competition for survival and
the most fit will survive
Bottleneck Effect Correct Answers When a random portion of
the population is killed, usually due to natural disasters
C3 plants are ______ in C13 Correct Answers lower
, C4 plants are _____ in C13 Correct Answers higher
Can a species be more evolved than another? Correct Answers
No
Causation Correct Answers shows a cause for
Chin bone differences between humans and chimps Correct
Answers Chin bones are thicker on the outside for humans and
the inside for chimps.
chromosomes Correct Answers show ancestral relationships
Cladogram Correct Answers Phylogentic tree where branch
lengths don't represent time
Cladogram Correct Answers Phylogentic tree where branch
lengths don't represent time
Commensalism Correct Answers +/0
Competition Correct Answers -/-
Convergent Evolution Correct Answers Separate species
develop the same trait because of environmental pressures
Convergent evolution is a... Correct Answers homoplasy
Convergent Evolution is also known as... Correct Answers
Analogy
Complete Solutions
A higher R coefficient will show what? Correct Answers Will
show the likelihood of it being the right interspecific
relationship
A node is the the point of... Correct Answers branching
evolution
A nose is more important to humans because of.... Correct
Answers our bigger brains which require that we respirate more
to get more oxygen
Absolute dating Correct Answers using radioactive isotopes
allopatric speciation Correct Answers populations are
geographically isolated, preventing genetic interchange
Altruism Correct Answers Actor is harmed/recipient benefits
Altruism Definition Correct Answers An action that increases
the fitness of another while in turn decreasing the fitness of the
altruist
Altruistic Correct Answers
Ammensalism Correct Answers -/0
Analagous Traits Correct Answers Results from convergent
evolution. Characters that have separate evolutionary origins but
,are superficially similar. Similarity in FUNCTION but not
origin
Analogous Structures Correct Answers They resemble each
other superficially but were evolved independently
Atavisms Correct Answers Evolutionary throwbacks. Traits that
don't show up normally
batesian species Correct Answers species mimics the look of a
harmful species
behavioral isolation Correct Answers little or no sexual
attraction between males and females
Bioaccumulation Correct Answers When levels of substances
(toxic or otherwise) accumulate in individuals higher up in the
food web
Biomass is Correct Answers percentage of total living species
in an environment
Biotic Potential Correct Answers there has to be more offspring
than can survive which will spur competition for survival and
the most fit will survive
Bottleneck Effect Correct Answers When a random portion of
the population is killed, usually due to natural disasters
C3 plants are ______ in C13 Correct Answers lower
, C4 plants are _____ in C13 Correct Answers higher
Can a species be more evolved than another? Correct Answers
No
Causation Correct Answers shows a cause for
Chin bone differences between humans and chimps Correct
Answers Chin bones are thicker on the outside for humans and
the inside for chimps.
chromosomes Correct Answers show ancestral relationships
Cladogram Correct Answers Phylogentic tree where branch
lengths don't represent time
Cladogram Correct Answers Phylogentic tree where branch
lengths don't represent time
Commensalism Correct Answers +/0
Competition Correct Answers -/-
Convergent Evolution Correct Answers Separate species
develop the same trait because of environmental pressures
Convergent evolution is a... Correct Answers homoplasy
Convergent Evolution is also known as... Correct Answers
Analogy
