Which of these individuals is most likely to be successful in an evolutionary sense?
A
a reproductively sterile individual who never falls ill
B
an organism that dies after 5 days of life but leaves 10 offspring, all of whom survive to reproduce
Correct Answer
C
an organism that lives 100 years and leaves 2 offspring, both of whom survive to reproduce
D
a female who mates with 20 males and produces 1 offspring
E
a male who mates with 20 females and fathers 1 offspring
A controlled experiment is one in which
A
the experiment is repeated many times to ensure that the results are accurate.
B
the experiment proceeds at a slow pace to guarantee that the scientist can carefully observe all
reactions and process all experimental data.
C
there are at least two groups, one of which does not receive the experimental treatment.
Correct Answer
D
there are at least two groups, one differing from the other by two or more variables.
E
there is one group for which the scientist controls all variables.
What does skin color tell you about a person?
A
It indicates his or her race.
B
It provides information about his or her cultural heritage.
C
It offers insight into his or her predisposition to disease.
D
None of the above.
Correct Answer
The origins of modern humans can be traced back to Africa by studying DNA.
A
True
Correct Answer
B
False
C
Not Sure
Which of the following are influenced by both environmental and genetic factors?
A
Skin color
B
Height
C
Disease
D
All of the above
Refers to the changes in an organisms DNA or genes. (111262)
A
adaptation
B
mutation
Correct Answer
C
random mating
D
gene pool
Which sentence is true?
A
Sickle cell disease causes dark skin color.
B
The sickle cell trait become prevalent in Africa and a few other parts of the world where malaria is
common because the trait offers resistance to malaria.
Correct Answer
C
Sickle cell is a disease that is found only in people of African ancestry.
Question not answered
In 1956, Jo Hin Tjio and Albert Levan determined that there are 42 human chromosomes.
True
False
Correct Answer
Polygenism "species" theory held that human "races" were of different lineages and suggested a
hierarchy outlined in the "Chain of Being" that positioned Africans between man and lower primates.
True
Correct Answer
False
Answered
Which of the following is not an attitude of a scientist? (111371)
A
Persistent
B
Open-minded
C
Sticks to old approaches
Correct Answer
D
rational
Kindly type your exam permit number:
No permit
His work became the tenets of genetics
A
P2201200181
Charles Darwin
B
Gregor Johann Mendel
Correct Answer
C
Samuel Cartwright
D
Paul Broca
E
Francis Galton
Which experimental set-up done in the 1950s that can generate amino acids and sugars from an
ocean-like environment proving that electric spark caused the origin of life? (111139)
A
Oparin - Holdan Experiment
B
Redi Experiment
C
Miller- Urey Experiment
Correct Answer
D
Fox Experiment
Genetic differences prevent breeding among related species, helping to cause speciation
A
Migration
B
Isolating Mechanism
Correct Answer
C
Genetic Drift
D
Founders Effect
The formation of a new species by genetic variation due to natural selection. (111303)
A
Separation
B
Speciation
Correct Answer
C
Revolution
D
Mutation
The leading opponent of Lamarck's claim that evolution has occurred was:
A
George Cuvier
Correct Answer
B
Charles Lyell
C
Erasmus Darwin
_________________ was a leading advocate of the theory of catastrophism.
A
Charles Lyell
B
George Cuvier
Correct Answer
C
Charles Darwin
In the theory of relativity, Albert Einstein saw links and connections where others did not, what kind
of scientific attitude did he possess? (111165)
A
Open minded
B
creative and critical thinker
Correct Answer
C
works hard and persistent
D
logical and systematic
The study of mammals and their diversity and distribution on earth
A
Paleontology
B
Anthropology
C
Mammalogy
Correct Answer
D
Histology
Prokaryotic and eukaryotic cells generally have which of the following features in common?
A
a membrane-bounded nucleus
Correct Answer
B
linear chromosomes made of DNA and protein
C
flagella or cilia that contain microtubules
D
ribosomes
Answered
E
a cell wall made of cellulose
All eukaryotes belong to which group(s)?
A
domain Bacteria
B
domain Archaea
C
domain Eukarya
Correct Answer
D
kingdom Protista
E
both C and D
Answered
Two species belonging to the same genus must also belong to the same
A
kingdom.
B
phylum
Answered
C
class.
D
order
E
all of the above
Correct Answer
Comments:
A new species has been discovered. Individuals of this species are multicellular eukaryotes that
obtain nutrients from decomposing organic matter. How should this species be classified?
A
domain Bacteria, kingdom Prokaryota
B
domain Archaea, kingdom Bacteria
C
domain Eukarya, kingdom Plantae
D
domain Eukarya, kingdom Protista
E
domain Eukarya, kingdom Fungi
Correct Answer
Comments:
The scientist who discovered the principles of heredity.
A
Isaac Newton
B
Charles Darwin
C
John Dalton
Correct Answer
D
Gregor Mendel
Answered
Comments:
Why do scientist classify organisms? (111295)
A
to organize into groups so that organisms are easier to study
Correct Answer
B
to keep scientist busy
C
to make the environment beautiful
D
to appreciate nature.
Question 26
Question Total: 1 point
You have just discovered a new species that has starch, rather than DNA, as its genetic material.
You are elated because you may have just discovered a new
A
member of kingdom Protista.
B
member of domain Bacteria.
C
member of domain Archaea.
D
member of domain Eukarya.
E
domain of life.
Correct Answer
Comments:
According to Charles Darwin, organisms of a particular species are adapted to their environment
when they
A
possess non-inheritable traits that enhance their survival in the local environment.
B
possess non-inheritable traits that enhance their reproductive success in the local environment.
C
possess non-inheritable traits that enhance their survival and reproductive success in the local
environment.
D
possess inheritable traits that enhance their survival and reproductive success in the local
environment.
Correct Answer
E
possess inheritable traits that decrease their survival and reproductive success in the local
environment.
Tissues are group of cells that serve a common function. (111305)
True
Correct Answer
False
Collecting data based on observation is an example of ________; analyzing this data to reach a
conclusion is an example of ________ reasoning.
A
hypothesis-based science; inductive
Answered
B
the process of science; deductive
C
discovery science; inductive
Correct Answer
D
descriptive science; deductive
E
hypothesis-based science; deductive
When applying the process of science, which of these is tested?
A
a question
B
a result
C
an observation
D
a prediction
Correct Answer
E
a hypothesis
Answered
The early earths atmosphere is thought to contain, water vapor, hydrogen gas, methane, amonia
and oxygen.
True
Answered
False
Correct An
Why is it important that an experiment include a control group?
A
The control group is the group that the reseacher is in control of; it is the group in which the
researcher predetermines the nature of the results.
B
The control group provides a reserve of experimental subjects.
C
A control group is required for the development of an "if; then" statement.
D
A control group assures that an experiment will be repeatable.
E
Without a control group, there is no basis for knowing if a particular result is due to the variable being
Correct Answer
Comments:
Protists and bacteria are grouped into different domains because
A
protists eat bacteria.
B
bacteria are not made of cells.
C
bacterial cells lack a nucleus.
Correct Answer
D
protists are photosynthetic.
E
bacteria decompose protists.
The scientific name is composed of _____ and ______. (111424)
A
Domain and Kingdom
B
Phylum and Chordata
C
Genus and Species
Correct Answer
D
Classmates and Friends
It is a branch of biology which study the function of tissues and systems (111049)
A
Pathology
B
microbiology
C
physiology
Correct Answer
D
Protozoology
In 1972, scientists Stanley Coneh and Herbert Borey developed recombinant DNA (rDNA)
technology, an artificial DNA sequencing process that “recombines” the DNA of two different
organisms.
True
False
Correct Answer
In 1981, population geneticist Luigi Luca Cavalli-Sforza established the dual inheritance theory with
Marcus Feldman which suggests that human variation is the result of both biological and cultural
evolution.
True
Correct Answer
False
The science of improving a human population through selective breeding
A
Racism
B
Eugenics
Correct Answer
C
Apaptation
D
Genetic Drift
What is the branch of biology that studies reptiles and amphibians? (111299)
A
Amphibiology
B
Reptiliology
C
Helminthology
D
Herpetology
Study of Plants
A
biochemistry
B
agriculture
C
botany
Correct Answer
D
foriculture
Vesicles are present in prokariotic and eukariotic cells.
A
Yes
Correct Answer
B
No
In the 17th century, James Ussher calculated the age of the earth:
A
by counting the generations in the Bible and then adding them on to modern history
Correct Answer
B
as a result of divine revelation when he was the archbishop of Armagh Ireland
C
by using the radiocarbon dating technique on ancient artifacts from Israel
D
by none of the above methods
This is composed of the living and non-living things in a particular area. (103025)
A
Community
B
Organism
C
Ecosystem
Correct Answer
D
Organ
Which of the following is true regarding deoxyribonucleic acid (DNA)?
A
Each deoxyribonucleic acid molecule is composed of two long chains of nucleotides arranged in a
double helix.
B
Genes are composed of deoxyribonucleic acid.
C
DNA is composed of chemical building blocks called nucleotides.
D
Only A and C are correct.
E
A, B, and C are correct.
It is the study of fishes. (111554)
A
Fishiology
B
Physiology
C
Sharkology
D
Ichthyology
Correct Answer
Comments:
This is a step of speciation where differences in the gene pool accumulate between populations.
(111398)
A
Separation
B
Adaptation
C
Divergence
Answered
D
Migratio
Study of tissues
A
Genetics
B
Paleontology
C
Histology
Correct Answer
D
Cytology
Which of the following are characteristics shared by members of both domain Bacteria and domain
Archaea?
A
cytosol
B
nucleus
C
DNA
D
A and C only
Correct Answer
E
A, B, and C
A loss of genetic variation from a small population established and genetically isolated from a larger
population making the gene pool different from the original.
A
Isolation mechanism
B
Genetic Drift
C
Founders Effect
Correct Answer
D
Migration
Species that are in the same ________ are more closely related than species that are only in the
same ________.
A
phylum; class
B
family; order
Correct Answer
C
class; order
D
family; genus
E
kingdom; phylum
Choose which one does not belong to the group.
A
Archaebacteria
Correct Answer
B
Protista
C
Plantae
D
Animalia
A theory on the origin of life which could generate amino acids and sugars from an atmosphere with
water, methane, ammonia and hydrogen. its proponents suggests that lightning have helped create
the key building blocks of life. (111319)
A
Chilly Start
B
Simple Beginning
C
Electric Spark
Correct Answer
D
Spontaneous Generation
Francesco Redi is the Italian physician who experimented with flies and wide-mouth jars which is not
an example of a scientific experiment. (111164)
True
False
Correct Answer
Which does not belong to the group?
A
Fish
B
Dog
C
Mosquito
D
coconut
Correct Answer
Comments:
Which of the following statements is not part of Charles Darwin's concept of natural selection?
A
Slight inheritable variations within a population may make an individual significantly more or less
likely to survive in its environment, and thus to reproduce.
B
Every organism has the potential to produce more offspring than the local environment can support.
C
Characteristics of organisms are inherited as genes on chromosomes.
Correct Answer
D
Better adapted members of a species will survive and reproduce more successfully.
Answered
E
Most individuals in a species do not survive to reproduce.
Comments:
What do you call a group of organisms that can interbreed and produce fertile offsprings? (111289)
A
population
B
species
Correct Answer
C
adaptation
D
alien
Simple beginning is akin to "metabolism first" model.
True
Correct Answer
False
Can scientists determine a person's race by looking at his or her DNA?
A
Yes
B
No
Correct Answer
C
Not sure
Skin color evolved as the body's way of adapting to:
A
Race
B
Ultraviolet radiation from the sun
Correct Answer
C
Climate
Answered
Comments:
Miller-Urey experiment produced the following compounds except one when phosphate was absent.
A
Amino acids
B
several sugars
C
lipids
D
ATP
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