Transcript QUESTION: Review

Chapter 4
Evolution,
Biodiversity, and
Population
Ecology
Review
Questions
QUESTION: Review
Which of the following is NOT a part of the process
of natural selection?
a) Organisms struggle to survive
b) Organisms produce more young than can
survive
c) Individuals of a species tend to have very
similar genetic characteristics
d) Some individuals are better suited to their
environment than others
e) Surviving individuals pass their genes on to
their offspring
QUESTION: Review
Which of the following is NOT true about genetic
mutations?
a) They are accidental changes in DNA
b) They are always lethal
c) They can be passed on to future generations
d) They can lead to genetic variation
e) Mutations, along with sexual reproduction, lead
to variation in individuals
QUESTION: Review
Biological diversity includes all of the following
EXCEPT:
a) Species diversity
b) Genetic diversity
c) Population diversity
d) Community diversity
e) All of these are included in the concept of
biodiversity.
QUESTION: Review
Allopatric speciation would NOT occur in :
a) Half of a population that mates in May, and the
other half that mates in June
b) A population separated by the Mississippi River
c) A population separated by a glacier
d) A population separated by the Rocky Mountains
e) It would occur in all of these populations.
QUESTION: Review
The disappearance of a species from Earth is called:
a) Endemism
b) Speciation
c) Extinction
d) Phylogenetics
e) Randomization
QUESTION: Review
An ecosystem is defined as:
a) All living things on Earth
b) Members of the same population that can
interbreed
c) Interacting species in an area
d) Communities and the non-living material they
interact with
e) Members of the same species that live in the
same area
QUESTION: Review
________ is defined as “the number of individuals
of a population per unit area.”
a)
b)
c)
d)
e)
Population size
Population density
Population distribution
Sex ratio
Age structure
QUESTION: Review
________ is defined as “the proportion of males to
females.”
a)
b)
c)
d)
e)
Population size
Population density
Population distribution
Sex ratio
Age structure
QUESTION: Review
Which of the following is a limiting factor?
a)
b)
c)
d)
e)
Water
Space
Food
Predators
All of these are limiting factors.
QUESTION: Review
A “K” selected species generally has all of the
following characteristics EXCEPT:
a)
b)
c)
d)
e)
Large size
Short-lived
Good competitor
Constant population size
Slow population growth
QUESTION: Viewpoints
Should we care whether a species goes extinct?
a) Yes, because all life is important and valuable.
b) Yes, because we are causing this wave of
extinction, so we should fix it.
c) We should not, because it’s a natural process.
d) I don’t care; it really does not affect me.
QUESTION: Viewpoints
Do you think humans are subject to limiting
factors and, ultimately, a fixed carrying capacity?
a) Yes, although we have raised the carrying
capacity, there are limits to the number of
humans the Earth can support.
b) Yes, but technology will keep raising the
carrying capacity, so it’s not much of a
problem.
c) No, humans are no longer constrained by
environmental limits, due to our technology
and ability to manipulate the environment.
d) I don’t care. It really does not affect me.
QUESTION: Interpreting Graphs and Data
Which of the following graphs shows a population that
will have lots more individuals in the future?
(a)
(b)
(c)
(d)
QUESTION: Interpreting Graphs and Data
Which type of distribution
shows individuals arranged
according to the availability
of resources?
a) Random
b) Uniform
c) Clumped
d) None of these
QUESTION: Interpreting Graphs and Data
What does this graph show?
a) The effects of
carrying capacity on
population growth
b) A population that
keeps growing until
all individuals die
c) The effects of
exponential growth
d) The effects of
increasing carrying
capacity
e) None of these