BSC1005 FINAL EXAM
______ are the dominant herbivores of savanna ecosystems -
ANSWERS-Insects
What is one important difference between savannas and temperate
grasslands? - ANSWERS-Savannas have trees
Biological species consist of groups of ______. - ANSWERS-
populations
A period of mass extinction is often followed by ______. -
ANSWERS-explosive diversification
An ancestral species and all its evolutionary descendants define a
______. - ANSWERS-clade
A reproductive barrier that prevents species from mating is an
example of ______. - ANSWERS-a prezygotic barrier
The science of naming, identifying, and classifying organisms is
called ______. - ANSWERS-taxonomy
Which of the following is a binomial? - ANSWERS-Nitzschia jouseae
, A pattern of evolution in which most change in appearance takes
place during a relatively short period of time fits the ______ model of
speciation. - ANSWERS-punctuated equilibrium
If one strand of a DNA double helix has the sequence GTCCAT, what
is the sequence of the other strand? - ANSWERS-CAGGTA
Transcription is the ______. - ANSWERS-manufacture of a strand of
RNA complementary to a strand of DNA
The backbone of DNA consists of ______. - ANSWERS-A repeating
sugar-phosphate-sugar-phosphate pattern
Linked genes are usually - ANSWERS-located close together on a
chromosome.
What name is given to the specific location of a gene on a
chromosome? - ANSWERS-locus
Which of the following describes the ability of a single gene to have
multiple phenotypic effects? - ANSWERS-pleiotropy
What is the key to the recognition of a trait whose expression is
determined by the effects of two or more genes (polygenic
inheritance)? - ANSWERS-The trait varies along a continuum in the
population.
______ are the dominant herbivores of savanna ecosystems -
ANSWERS-Insects
What is one important difference between savannas and temperate
grasslands? - ANSWERS-Savannas have trees
Biological species consist of groups of ______. - ANSWERS-
populations
A period of mass extinction is often followed by ______. -
ANSWERS-explosive diversification
An ancestral species and all its evolutionary descendants define a
______. - ANSWERS-clade
A reproductive barrier that prevents species from mating is an
example of ______. - ANSWERS-a prezygotic barrier
The science of naming, identifying, and classifying organisms is
called ______. - ANSWERS-taxonomy
Which of the following is a binomial? - ANSWERS-Nitzschia jouseae
, A pattern of evolution in which most change in appearance takes
place during a relatively short period of time fits the ______ model of
speciation. - ANSWERS-punctuated equilibrium
If one strand of a DNA double helix has the sequence GTCCAT, what
is the sequence of the other strand? - ANSWERS-CAGGTA
Transcription is the ______. - ANSWERS-manufacture of a strand of
RNA complementary to a strand of DNA
The backbone of DNA consists of ______. - ANSWERS-A repeating
sugar-phosphate-sugar-phosphate pattern
Linked genes are usually - ANSWERS-located close together on a
chromosome.
What name is given to the specific location of a gene on a
chromosome? - ANSWERS-locus
Which of the following describes the ability of a single gene to have
multiple phenotypic effects? - ANSWERS-pleiotropy
What is the key to the recognition of a trait whose expression is
determined by the effects of two or more genes (polygenic
inheritance)? - ANSWERS-The trait varies along a continuum in the
population.
