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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
movement of glaciers
C
formation of sedimentary rock
D
occurrence of earthquakes
2) Which of these is MOST LIKELY caused the difference in fur color between polar bears and brown bears?
A
Brown bears ate food that caused their fur to be brown.
B
Polar bears ate less and lost fur color.
C
Polar bears benefited from lighter colored fur and passed it on to their offspring.
D
Brown bears benefited by growing thicker fur to keep them warm.
3) Which of the following statements best describes the process of evolution?
A
The characteristics of a species can change over time.
B
Populations grown when resources are available.
C
Conditions limit the number of species on Earth.
D
Populations can survive in different locations.
4) Which of the following is an example of natural selection?
A
a tree growing towards sunlight
B
bears moving into a new part of a forest over many generations
C
a plant growing between rocks
D
shrubs growing longer thorns over many generations
5) Which is a condition required for natural selection to occur in birds?
A
Species must produce more offspring than can survive.
B
All organisms of the same species must have the same genetic material.
C
Humans must interfere with the breeding of organisms.
D
Resources must be unlimited in the natural environments.
6) What idea did Darwin propose about why Galapagos Island finches beaks were different?
A
Specific genetic mutations occur that make beak size change in response to random selection factors.
B
The different beaks of the finches would one day evolve into identical beaks.
C
Beak size is related to the size of the finch.
D
The beaks of the finches are adapted to the way the bird usually gets food.
7) Which of these would be considered an adaptation of an animal that lives in the snowy tundra?
A
Webbed feet
B
Large, flat leaves
C
Green colored skin
D
A thick coat
8) Which of the following factors is necessary in order for natural selection to occur in a species?
A
a strong family structure
B
a hospitable environment
C
an abundance of food resources
D
genetic variation within a population
9) Modern horses developed their traits through natural selection. What occurs during the process of natural selection?
A
Organisms remain exactly the same over many generations.
B
Organisms choose mates from other species.
C
Only the fittest organisms survive and reproduce.
D
Breeders cross organisms with desirable traits.
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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