Biology 1407 Exam 1 Questions With Complete Solutions
_____ is rapid speciation under conditions in which there is little
competition. Correct Answers Adaptive radiation
_____ were the dominant vertebrate life form during the
Mesozoic era. Correct Answers Dinosaurs
_____ were the dominant vertebrate life form during the
Paleozoic era. Correct Answers Amphibians
A genus name consists of what ? Correct Answers group of
closely related species
and is capitalized
A human is classified in domain _____ and kingdom _____.
Correct Answers Eukarya ... Animalia
A rose bush is classified in domain _____ and kingdom _____.
Correct Answers Eukarya ... Plantae
A species name is always what ? Correct Answers distinct type
of organism, individuals regularly interbreed, lowercase
Animals first appeared during the Correct Answers
Precambrian
Black-bellied seedcrackers have either small beaks (better for
eating soft seeds) or large beaks (better for hard seeds). There
are no seeds of intermediate hardness; therefore, which kind of
, selection acts on beak size in seedcrackers? Correct Answers
Disruptive selection
Bony fish first evolved during the Correct Answers Paleozoic
Characteristics of Protists include ... Correct Answers mostly
unicellular eukaryotes, though they also include multicellular
algae.
Choose the best definition of a fossil. Correct Answers Any
trace of an organism that lived in the past
Dinosaurs went extinct during the _____. Correct Answers
Mesozoic
Evaluate this statement: Gene flow increases the genetic
divergence of populations. Correct Answers The statement is
false; gene flow reduces the divergence of populations.
Evaluate this statement: Mutations are bad. Correct Answers
Some mutations are deleterious, but others can be beneficial or
neutral.
Evolution may be convergent - resulting in ... what ? Correct
Answers homoplasic features (similar function & appearance,
different underlying structure).
Evolution may be divergent - resulting in ... what ? Correct
Answers homologous features (different function & appearance,
same underlying structure).
_____ is rapid speciation under conditions in which there is little
competition. Correct Answers Adaptive radiation
_____ were the dominant vertebrate life form during the
Mesozoic era. Correct Answers Dinosaurs
_____ were the dominant vertebrate life form during the
Paleozoic era. Correct Answers Amphibians
A genus name consists of what ? Correct Answers group of
closely related species
and is capitalized
A human is classified in domain _____ and kingdom _____.
Correct Answers Eukarya ... Animalia
A rose bush is classified in domain _____ and kingdom _____.
Correct Answers Eukarya ... Plantae
A species name is always what ? Correct Answers distinct type
of organism, individuals regularly interbreed, lowercase
Animals first appeared during the Correct Answers
Precambrian
Black-bellied seedcrackers have either small beaks (better for
eating soft seeds) or large beaks (better for hard seeds). There
are no seeds of intermediate hardness; therefore, which kind of
, selection acts on beak size in seedcrackers? Correct Answers
Disruptive selection
Bony fish first evolved during the Correct Answers Paleozoic
Characteristics of Protists include ... Correct Answers mostly
unicellular eukaryotes, though they also include multicellular
algae.
Choose the best definition of a fossil. Correct Answers Any
trace of an organism that lived in the past
Dinosaurs went extinct during the _____. Correct Answers
Mesozoic
Evaluate this statement: Gene flow increases the genetic
divergence of populations. Correct Answers The statement is
false; gene flow reduces the divergence of populations.
Evaluate this statement: Mutations are bad. Correct Answers
Some mutations are deleterious, but others can be beneficial or
neutral.
Evolution may be convergent - resulting in ... what ? Correct
Answers homoplasic features (similar function & appearance,
different underlying structure).
Evolution may be divergent - resulting in ... what ? Correct
Answers homologous features (different function & appearance,
same underlying structure).
