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Evolution Test Review
Test Description: Review Questions for the unit test
Instructions: Answer all questions to get your test result.
1) Variation happens randomly in a population, which means:
A
it is not something caused by the organism on purpose
B
organisms change what they look like on purpose
C
organisms blend in with their surroundings
D
all members of a population look exactly alike
2) An example of variation is the following:
A
Some of an insect’s offspring have spots, and some are one color
B
I am wearing grey pants and you are wearing brown pants
C
A dog and a cat that both have stripes
D
Most polar bears are white
3) Adaptations always depend on the _____________in which the organism lives.
A
Niche
B
Street
C
Environment
D
House
4) Over time, the available nutrients in the soil of one ecosystem decreases. Which adaptation is most likely to develop in the plant species that live in that soil?
A
plants that demand less water
B
plants with bigger flowers
C
taller plants
D
plants with deeper roots
5) A cactus plant is adapted to living in desert biomes. The desert is the catus’ ___________________.
A
mutation.
B
evolutionary tree.
C
environment.
D
natural trait.
6) When a member of a population has a helpful variation, it is able to:
A
live and die
B
survive and reproduce
C
change its surroundings
D
make a living
7) Evolution usually happens over ______________________________ of years.
A
trillion
B
millions
C
tens
D
hundred
8) Which statement represents the major concept of the biological theory of evolution?
A
Present-day organisms on Earth developed from earlier, distinctly different organisms.
B
Every period of time in Earth’s history has its own group of organisms.
C
Every location on Earth’s surface has its own unique group of organisms.
D
A new species moves into a habitat when another species becomes extinct.
9) According to the theory of natural selection, why are some individuals more likely than others to survive and reproduce?
A
Some individuals pass on to their offspring new characteristics they have acquired during their life
B
Some individuals do not pass on to their offspring new characteristics they have acquired during the
C
Some individuals tend to produce fewer offspring than others in the same environment.
D
Some individuals are better adapted to exist in their environment than others are.
10) Which situation would most likely result in the highest rate of natural selection?
A
reproduction of organisms in an unchanging environment with little competition and few predators
B
reproduction of organisms exhibiting genetic differences due to mutations and genetic recombinations
C
reproduction of organisms by an asexual method in an unchanging environment
D
reproduction of a species having a very low mutation rate in a changing environment
*select an answer for all questions
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