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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
existing predators
B
chromosome number
C
available food resources
D
available niches
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 accelerate the appearance of new traits
B
It will reduce genetic diversity.
C
It will promote the survival of chimpanzees with beneficial traits
D
It will increase the number of alleles for specific traits.
3) Which of these best illustrates natural selection?
A
An organism with favorable genetic variations will tend to survive and breed successfully.
B
A community whose members work together utilizes all existing resources and migratory routes.
C
A population monopolizes all of the resources in its habitat, forcing other species to migrate.
D
The largest organisms in a species receive the only breeding opportunities.
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
found new places on the island to live.
B
interbred with other species.
C
inherited some advantageous variations.
D
been attacked by more predators.
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
A strong species had many different characteristics
B
A wide diversity of species existed.
C
Dominant species had a slow mutation rate.
D
Many species filled the same niche.
6) A small portion of a population that is geographically isolated from the rest of the population runs the risk of decreased
A
natural selection
B
mutation rate.
C
genetic variation
D
genetic drift.
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
higher mutation rates on one side
B
differences in reproductive rates
C
the isolation of the two groups
D
low genetic diversity in the initial population
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
episodic isolation
B
geographic isolation
C
behavioral isolation
D
temporal 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
episodic speciation.
B
biological diversity.
C
geographic isolation.
D
climatic variation
10) The scientist who published the booh Origin of Species and proposed the theory of natural selection was
A
Rosalind Franklin
B
Charles Darwin
C
Watson and Crick
D
Gregor Mendel
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