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Evolution
Test Description: Laptop review game
Instructions: Answer all questions to get your test result.
1) Which of these would have the least effect on natural selection in a subspecies of giraffes that is geographically isolated from other subspecies of giraffe
A
available food resources
B
chromosome number
C
available niches
D
existing predators
2) A small population of chimpanzees lives in a habitat that undergoes no changes for a long period. How will genetic drift probably affect this population?
A
It will promote the survival of chimpanzees with beneficial traits
B
It will accelerate the appearance of new traits
C
It will reduce genetic diversity.
D
It will increase the number of alleles for specific traits.
3) Which of these best illustrates natural selection?
A
The largest organisms in a species receive the only breeding opportunities.
B
An organism with favorable genetic variations will tend to survive and breed successfully.
C
A population monopolizes all of the resources in its habitat, forcing other species to migrate.
D
A community whose members work together utilizes all existing resources and migratory routes.
4) A species of finch has been studied on one of the geographically isolated Galapagos Islands for many years. Since the island is small, the lineage of every bird for several generations is known. This allows a family tree of each bird to be developed.
A
been attacked by more predators.
B
found new places on the island to live.
C
interbred with other species.
D
inherited some advantageous variations.
5) Earth has undergone some catastrophic changes from time to time. Which of these most likely explains why life on Earth continued following these catastrophes?
A
Many species filled the same niche.
B
A wide diversity of species existed.
C
A strong species had many different characteristics
D
Dominant species had a slow mutation rate.
6) A small portion of a population that is geographically isolated from the rest of the population runs the risk of decreased
A
mutation rate.
B
natural selection
C
genetic drift.
D
genetic variation
7) A single species of squirrel evolved over time into two species, each on opposite sides of the Grand Canyon. This change was most likely due to
A
the isolation of the two groups
B
differences in reproductive rates
C
low genetic diversity in the initial population
D
higher mutation rates on one side
8) Fossil evidence suggests that a number of members of one fish species from an ancient lake in Death Valley, California, became several isolated species. Each of these new species lived in a different pond. Which of the following best explains the cau
A
behavioral isolation
B
episodic isolation
C
temporal isolation
D
geographic isolation
9) If a paleontologist finds fossils of many different species existing in the same area at approximately the same time, the paleontologist can conclude that the ecosystem in this area had a high degree of
A
geographic isolation.
B
episodic speciation.
C
climatic variation
D
biological diversity.
10) The scientist who published the booh Origin of Species and proposed the theory of natural selection was
A
Charles Darwin
B
Rosalind Franklin
C
Watson and Crick
D
Gregor Mendel
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