Take
Quiz 3 before class on Tuesday 9/24. You have 30 minutes to take the
quiz, but it should take less time than that.
Question
Multiple
Choice
Points
Question: Which phrase best describes natural
selection?
Answer:
Survival of the fittest Progress towards perfection Individuals evolve over time Differential reproduction
Question
Multiple
Choice
Points
Question: Gene flow _______________, while
genetic drift ________________ (choose the best combination).
Answer:
is caused by mutation, is caused
by natural selection increases genetic variation, decreases
genetic variation decreases genetic variation, increases
genetic variation is random, is nonrandom
Question
Fill
In the Blank
Points
Question: The ___________________ is the
appropriate level of the biological hierarchy at which to study
evolutionary processes.
Answer:
population Population
Question
Short
Answer/Essay
Points
Question: Define phenotype.
Answer:
Phenotype is the
visible, physical properties of an organism that are produced
by the interaction of the genotype and the environment.
Question
Multiple
Choice
Points
Question: The evolutionary biology term
"fitness" refers to:
Answer:
the relative reproductive contribution
of a genotype. the relative reproductive contribution
of a phenotype. the absolute reproductive contribution
of a genotype. the ability of a genotype to evolve
when exposed to selective pressures.
Question
Short
Answer/Essay
Points
Question: What is one necessary condition
for microevolutionary processes to lead to speciation (two species
from one)?
Answer:
Isolation, reproductive
isolation, allopatry
Question
Short
Answer/Essay
Points
Question: Briefly relate biodiversity to
the processes of speciation and extinction.
Answer:
Biodiversity is
a function of those processes - if speciation rates > extinction
rates, biodiversity increases, if speciation rates < extinction
rates, biodiversity declines.
