Cp Bio 2 Final Exam Review 3 (2013)
- 1.The process by which individuals that are better suited to their environment survive and reproduce more successfully than others is known as ___.
- A.
Natural selection
- B.
Sexual selection
- C.
Genetic drift
- D.
Gene flow
- 2.___ is a form of reproductive isolation in which two populations reproduce during different times of the year.
- A.
Temporal isolation
- B.
Behavioral isolation
- C.
Geographic isolation
- D.
Mutagenic isolation
- 3.Scientists attemp to date fossils by examining the radioactive isotopes. This method is called ___.
- A.
Radiometric dating
- B.
Relative dating
- C.
Speed dating
- D.
Geologic time scaling
- 4.A population that is not undergoing natural selection displays what type of distribution?
- A.
Disruptive
- B.
Directional
- C.
Stabilizing
- D.
Normal
- 5.Bipedalism is an important adaptive advantage for all of the following reasons EXCEPT ___.
- A.
Bipedalism frees the hands to use tools
- B.
Bipedalism frees the hands to carry food
- C.
Bipedalism frees the hands to carry young
- D.
Bipedalism frees the hands to walk faster
- 6.Which of the following is NOT a type of fossil?
- A.
Cast of a brain
- B.
Mold of a foot
- C.
Fossilized "droppings"
- D.
A dead tree
- 7.The four principles of natural selection are variation, adaptation, overproduction, and ___.
- A.
Heritability
- B.
DNA mutation
- C.
Random mating
- D.
Symbiosis
- 8.In natural selection, the selective agent is ___.
- A.
The environment
- B.
A breeder
- C.
Mutation
- D.
A virus
- 9.Which term means the crossing of two different species that share common genes?
- A.
Hybridization
- B.
Mutation
- C.
Natural selection
- D.
Sexual selection
- 10.Genetic variation can arise from a random change in the DNA of a gene. This change is called a(n) ___.
- A.
Mutation
- B.
Gene flow
- C.
Gene pool
- D.
Allele
- 11.The development by scientists of a new color in a rose is the result of
- A.
Artificial selection
- B.
Natural selection
- C.
Descent with modification
- D.
Overproduction
- 12.A measure of how commonly a particular allele occurs in a population is known as the ___.
- A.
Gene pool
- B.
Allele frequency
- C.
Mutation rate
- D.
Phenotype
- 13.Two organisms that are closeley related would have ___.
- A.
Very similar DNA sequences
- B.
Exactly the same DNA sequences
- C.
No proteins in common
- D.
Completely different DNA sequences
- 14.Which of the following is the oldest of this group?
- A.
Australopithecus aferensis
- B.
Australopithecus africanus
- C.
Homo erectus
- D.
Homo neanderthalensis
- 15.Which of the following is the youngest of this group?
- A.
Australopithecus aferensis
- B.
Australopithecus africanus
- C.
Homo erectus
- D.
Homo neanderthalensis
- 16.Approximately how long has Homo sapiens been on Earth?
- A.
2000 years
- B.
6 million years
- C.
6000 years
- D.
200,000 years
- 17.Homo erectus is considered to be the most successful hominid species ever because it survived for ___.
- A.
2 million years
- B.
2 thousand years
- C.
6 million years
- D.
6 thousand years
- 18.
![What is the name of the organism on the right? - ProProfs]( "What is the name of the organism on the right?")
What is the name of the organism on the right?- A.
Amoeba proteus
- B.
Paramecium caudatum
- C.
Euglena gracilis
- D.
Panthera leo
- 19.Protists are classified in the domain ___.
- A.
Archaea
- B.
Bacteria
- C.
Mammalia
- D.
Eukarya
- 20.
![What is the name of the organism on the right? - ProProfs]( "What is the name of the organism on the right?")
What is the name of the organism on the right?- A.
Amoeba proteus
- B.
Paramecium caudatum
- C.
Euglena gracilis
- D.
Panthera leo
- 21.In the following scientific name, which word indicates the genus of the organism? Panthera tigris
- A.
Panthera
- B.
Tigris
- C.
Both words
- D.
Neither word
- 22.An eukaryote that is not a true animal, plant, or fungus would be classified in the kingdom ___.
- A.
Protista
- B.
Archae
- C.
Bacteria
- D.
Domain
- 23.If two organisms belong to the same order, what other taxonomic group must they have in common?
- A.
Species
- B.
Genus
- C.
Phylum
- D.
Family
- 24.
![What is the scientific name of the organism on the right? - ProProfs]( "What is the scientific name of the organism on the right?")
What is the scientific name of the organism on the right?- A.
Amoeba proteus
- B.
Paramecium caudatum
- C.
Euglena gracilis
- D.
Panthera leo
- 25.Plants have a layer on their leaves called a cuticle. Why is this an important adaptation?
- A.
It helps prevent water loss.
- B.
It helps protect the plant from infection.
- C.
It helps the plant grow taller.
- D.
It helps the plant reproduce.
.jpg "What is the name of the organism on the right?")
.jpg "What is the scientific name of the organism on the right?")
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