BIO 148 FINAL EXAM QUESTIONS
AND ANSWERS
What description of an organism includes characteristics shared by all living things? -
Correct Answers -Made up of one or more cells: carries out reproduction: processes
genetic and environmental information.
All living things are made up of many cells? T/F - Correct Answers -False
What is not true about all living things? - Correct Answers -They don't all need oxygen,
they don't all breathe, they don't all move, and they don't all have a nucleus.
All eukaryotic cells have a cell membrane? T/F - Correct Answers -True, all cells have a
cell membrane.
All eukaryotic cells have a cell wall? T/F - Correct Answers -False, animal cells and
some protist cells do not have a cell wall.
Variation is necessary for natural selection to occur? T/F - Correct Answers -True
What best describes the difference between prokaryotes and eukaryotes? - Correct
Answers -Eukaryotic cells have a membrane-bound nucleus: prokaryotic cells do not.
What can be used to decide whether two populations are the same or different species?
- Correct Answers -The morphological species concept, the biological species concept
and the phylogenetic species concept
A population is a group of individuals of the same species. According to the theory of
natural selection, what is likely to happen to a population when a change occurs in its
environment (for example, the amount of rainfall decreases or the temperature
increases)? - Correct Answers -The individuals that have traits better suited to the
changed environment would be more likely to survive and reproduce than those with
less suitable traits.
Some organisms, such as a chimpanzee and a human, have many similarities. Others,
such as a chicken and an oak tree, have fewer similarities. What is TRUE about the
ancestors of these organisms? - Correct Answers -Chimpanzees, humans, chickens,
and oak trees all share an ancient common ancestor.
, What is true about living species and extinct species? - Correct Answers -A species
living today and an extinct species could share a common ancestor that lived a very
long time ago, even if the two species have few similarities
Humans, butterflies, and trees are all living things. In which of these organisms would
you find DNA molecules? - Correct Answers -All of them.
What is not a shared characteristic of life? - Correct Answers -Energy is acquired for
movement
Which of the following would be a possible explanation for the molecular origin of a new
allele in a population of mice? - Correct Answers -DNA polymerase skipped three
nucleotides in a gamete-producing cell during replication causing a
mutation before meiosis
Which of the following describes a major difference between eukaryotes and
prokaryotes? - Correct Answers -Eukaryotic cells have a membrane-bound nucleus;
prokaryotic cells do not
How do you tell which animals are more closely related? - Correct Answers -When they
share a common ancestor more recently
Where is the common ancestor located in a phylogeny? - Correct Answers -Where two
species meet
DNA is synthesized through a process known as_______ - Correct Answers -
semiconservative replication
How do prokaryotes do cell division - Correct Answers -By Fission
What is true of protists - Correct Answers -contain a nucleus
what is true regarding the evolution of tetrapods? - Correct Answers -transitional fossils
show the evolution of tetrapods from a water-dwelling ancestor
Addition of wolves to Yellowstone National Park in 1995 after they had been absent for
70 years initiated a ___________, in which organisms from all trophic levels were
affected. - Correct Answers -trophic cascade
what could not be a composer in the ecosystem? - Correct Answers -plants
The kingdom composed of eukaryotic heterotrophs with many members obtaining
energy and nutrients from dead organic matter is the kingdom - Correct Answers -Fungi
Evolutionary change occurs in______. Natural selection acts on_______. - Correct
Answers -populations, individuals
AND ANSWERS
What description of an organism includes characteristics shared by all living things? -
Correct Answers -Made up of one or more cells: carries out reproduction: processes
genetic and environmental information.
All living things are made up of many cells? T/F - Correct Answers -False
What is not true about all living things? - Correct Answers -They don't all need oxygen,
they don't all breathe, they don't all move, and they don't all have a nucleus.
All eukaryotic cells have a cell membrane? T/F - Correct Answers -True, all cells have a
cell membrane.
All eukaryotic cells have a cell wall? T/F - Correct Answers -False, animal cells and
some protist cells do not have a cell wall.
Variation is necessary for natural selection to occur? T/F - Correct Answers -True
What best describes the difference between prokaryotes and eukaryotes? - Correct
Answers -Eukaryotic cells have a membrane-bound nucleus: prokaryotic cells do not.
What can be used to decide whether two populations are the same or different species?
- Correct Answers -The morphological species concept, the biological species concept
and the phylogenetic species concept
A population is a group of individuals of the same species. According to the theory of
natural selection, what is likely to happen to a population when a change occurs in its
environment (for example, the amount of rainfall decreases or the temperature
increases)? - Correct Answers -The individuals that have traits better suited to the
changed environment would be more likely to survive and reproduce than those with
less suitable traits.
Some organisms, such as a chimpanzee and a human, have many similarities. Others,
such as a chicken and an oak tree, have fewer similarities. What is TRUE about the
ancestors of these organisms? - Correct Answers -Chimpanzees, humans, chickens,
and oak trees all share an ancient common ancestor.
, What is true about living species and extinct species? - Correct Answers -A species
living today and an extinct species could share a common ancestor that lived a very
long time ago, even if the two species have few similarities
Humans, butterflies, and trees are all living things. In which of these organisms would
you find DNA molecules? - Correct Answers -All of them.
What is not a shared characteristic of life? - Correct Answers -Energy is acquired for
movement
Which of the following would be a possible explanation for the molecular origin of a new
allele in a population of mice? - Correct Answers -DNA polymerase skipped three
nucleotides in a gamete-producing cell during replication causing a
mutation before meiosis
Which of the following describes a major difference between eukaryotes and
prokaryotes? - Correct Answers -Eukaryotic cells have a membrane-bound nucleus;
prokaryotic cells do not
How do you tell which animals are more closely related? - Correct Answers -When they
share a common ancestor more recently
Where is the common ancestor located in a phylogeny? - Correct Answers -Where two
species meet
DNA is synthesized through a process known as_______ - Correct Answers -
semiconservative replication
How do prokaryotes do cell division - Correct Answers -By Fission
What is true of protists - Correct Answers -contain a nucleus
what is true regarding the evolution of tetrapods? - Correct Answers -transitional fossils
show the evolution of tetrapods from a water-dwelling ancestor
Addition of wolves to Yellowstone National Park in 1995 after they had been absent for
70 years initiated a ___________, in which organisms from all trophic levels were
affected. - Correct Answers -trophic cascade
what could not be a composer in the ecosystem? - Correct Answers -plants
The kingdom composed of eukaryotic heterotrophs with many members obtaining
energy and nutrients from dead organic matter is the kingdom - Correct Answers -Fungi
Evolutionary change occurs in______. Natural selection acts on_______. - Correct
Answers -populations, individuals
