Bio 148 EXAM NEWEST 2025 ACTUAL
EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY
GRADED A+
What description of an organism includes characteristics shared by all living things? -
Answer- 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 - Answer- False
What is not true about all living things? - Answer- 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 - Answer- True, all cells have a cell
membrane.
All eukaryotic cells have a cell wall? T/F - Answer- False, animal cells and some protist
cells do not have a cell wall.
Variation is necessary for natural selection to occur? T/F - Answer- True
What best describes the difference between prokaryotes and eukaryotes? - Answer-
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?
- Answer- 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)? - Answer- 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? - Answer- Chimpanzees, humans, chickens, and oak
trees all share an ancient common ancestor.
, What is true about living species and extinct species? - Answer- 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? - Answer- All of them.
What is not a shared characteristic of life? - Answer- 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? - Answer- 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? - Answer- Eukaryotic cells have a membrane-bound nucleus; prokaryotic
cells do not
How do you tell which animals are more closely related? - Answer- When they share a
common ancestor more recently
Where is the common ancestor located in a phylogeny? - Answer- Where two species
meet
DNA is synthesized through a process known as_______ - Answer- semiconservative
replication
How do prokaryotes do cell division - Answer- By Fission
What is true of protists - Answer- contain a nucleus
The kingdom composed of eukaryotic heterotrophs with many members obtaining
energy and nutrients from dead organic matter is the kingdom - Answer- Fungi
Evolutionary change occurs in______. Natural selection acts on_______. - Answer-
populations, individuals
The monomer unit of DNA is a - Answer- Nucleotide
What is the final result of mitosis in a diploid organism? - Answer- genetically identical
2n somatic cells
In a DNA double helix, the chemical bonds that form between the complementary
nitrogenous bases are - Answer- Hydrogen bonds
EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY
GRADED A+
What description of an organism includes characteristics shared by all living things? -
Answer- 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 - Answer- False
What is not true about all living things? - Answer- 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 - Answer- True, all cells have a cell
membrane.
All eukaryotic cells have a cell wall? T/F - Answer- False, animal cells and some protist
cells do not have a cell wall.
Variation is necessary for natural selection to occur? T/F - Answer- True
What best describes the difference between prokaryotes and eukaryotes? - Answer-
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?
- Answer- 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)? - Answer- 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? - Answer- Chimpanzees, humans, chickens, and oak
trees all share an ancient common ancestor.
, What is true about living species and extinct species? - Answer- 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? - Answer- All of them.
What is not a shared characteristic of life? - Answer- 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? - Answer- 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? - Answer- Eukaryotic cells have a membrane-bound nucleus; prokaryotic
cells do not
How do you tell which animals are more closely related? - Answer- When they share a
common ancestor more recently
Where is the common ancestor located in a phylogeny? - Answer- Where two species
meet
DNA is synthesized through a process known as_______ - Answer- semiconservative
replication
How do prokaryotes do cell division - Answer- By Fission
What is true of protists - Answer- contain a nucleus
The kingdom composed of eukaryotic heterotrophs with many members obtaining
energy and nutrients from dead organic matter is the kingdom - Answer- Fungi
Evolutionary change occurs in______. Natural selection acts on_______. - Answer-
populations, individuals
The monomer unit of DNA is a - Answer- Nucleotide
What is the final result of mitosis in a diploid organism? - Answer- genetically identical
2n somatic cells
In a DNA double helix, the chemical bonds that form between the complementary
nitrogenous bases are - Answer- Hydrogen bonds
