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Evolution/Natural Selection Review
Test Description: Evolution/Natural Selection Review
Instructions: Answer all questions to get your test result.
1) Which geological process is most important in supporting the theory of evolution?
A
eruption of volcanoes
B
occurrence of earthquakes
C
movement of glaciers
D
formation of sedimentary rock
2) Which of these is MOST LIKELY caused the difference in fur color between polar bears and brown bears?
A
Polar bears benefited from lighter colored fur and passed it on to their offspring.
B
Brown bears ate food that caused their fur to be brown.
C
Brown bears benefited by growing thicker fur to keep them warm.
D
Polar bears ate less and lost fur color.
3) Which of the following statements best describes the process of evolution?
A
The characteristics of a species can change over time.
B
Populations can survive in different locations.
C
Populations grown when resources are available.
D
Conditions limit the number of species on Earth.
4) Which of the following is an example of natural selection?
A
bears moving into a new part of a forest over many generations
B
a tree growing towards sunlight
C
shrubs growing longer thorns over many generations
D
a plant growing between rocks
5) Which is a condition required for natural selection to occur in birds?
A
Humans must interfere with the breeding of organisms.
B
Species must produce more offspring than can survive.
C
Resources must be unlimited in the natural environments.
D
All organisms of the same species must have the same genetic material.
6) What idea did Darwin propose about why Galapagos Island finches beaks were different?
A
The different beaks of the finches would one day evolve into identical beaks.
B
Specific genetic mutations occur that make beak size change in response to random selection factors.
C
The beaks of the finches are adapted to the way the bird usually gets food.
D
Beak size is related to the size of the finch.
7) Which of these would be considered an adaptation of an animal that lives in the snowy tundra?
A
Webbed feet
B
A thick coat
C
Large, flat leaves
D
Green colored skin
8) Which of the following factors is necessary in order for natural selection to occur in a species?
A
an abundance of food resources
B
genetic variation within a population
C
a hospitable environment
D
a strong family structure
9) Modern horses developed their traits through natural selection. What occurs during the process of natural selection?
A
Organisms choose mates from other species.
B
Breeders cross organisms with desirable traits.
C
Only the fittest organisms survive and reproduce.
D
Organisms remain exactly the same over many generations.
10) Darwin stated that we could never watch natural selection in action. Why did Darwin believe this?
A
Natural selection happens so quickly, it is difficult to see.
B
Natural selection is an internal process that can not be outwardly observed.
C
Natural selection occurs over so many generations, it is impossible to see changes occur.
D
Natural selection occurs randomly, and it is unlikely that a human would be present when it occurs.
*select an answer for all questions
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