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Worksheets7th Life Science Review - Evolution
Total questions: 20
Worksheet time: 27mins
Name
Class
Date
1.
The main idea of evolution states that
a)
the characteristics of organisms within a population change over time.
b)
Only the best organisms survive.
c)
The characteristics of organisms can change during their lifetime.
d)
Organisms can survive in any environment on Earth.
2.
What would happen to an organism's trait after years of natural selection against it?
a)
population would increase
b)
extinction
c)
variation
d)
population would stay the same
3.
How did the Galapagos finches change to fit the new environment?
a)
All the finches in the population grew new and different beaks.
b)
Over many generations, the finches with beak shapes suited to their environment and food source survived.
c)
The finches chose only to produce offspring that looked different from themselves.
d)
The finches did not change to fit the new environment.
4.
What is a change in an organism that allows for it to survive in its environment?
a)
homologous
b)
vestigial
c)
variation
d)
adaptation
5.
What is this an example of?
a)
adaptation
b)
diversity of species
c)
embryology
d)
variation
6.
What is this an example of?
a)
diversity of species
b)
variation
c)
vestigial structures
d)
DNA studies
7.
What is the process of traits best suited to the environment surviving?
a)
natural selection
b)
variation
c)
macro-evolution
d)
embryology
8.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
9.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
10.
Extinction can occur because of which of the following?
a)
New predators within an environment.
b)
Increased competition with other species
c)
Loss of habitat and or catastrophes..
d)
All of these can cause extinction.
11.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
12.
Which of the following is NOT an example of natural selection?
a)
People selectively breeding hamsters.
b)
Insect populations developing resistance to certain pesticides.
c)
Bacteria becoming resistant to antibiotics.
d)
Male birds of certain species developing colorful feathers to attract female mates.
13.
Individuals that are well adapted to their environment will survive and produce:
a)
Fewer mutations
b)
Stronger genes
c)
More offspring
d)
Better traits
14.
The environment around Manchester, England, changed during the Industrial Revolution. How did this change affect peppered moths living in the area?
a)
Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
b)
Natural selection favored moths with white wings that were easy for predators to see.
c)
Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
d)
Natural selection caused moths with white wings to become extinct.
15.
Over time, adaptions can lead populations to experience
a)
environmental changes.
b)
genetic changes.
c)
geological changes.
d)
extinction.
16.
In natural selection, the selective agent is the
a)
humans
b)
mutations
c)
breeders
d)
environment
17.
Which of the following is NOT a factor that affects the process of natural selection?
a)
Overpopulation
b)
Fossils
c)
Competition
d)
Variations
18.
According to Darwin, natural selection produces the best-suited organisms in an environment because
a)
bottlenecks are good for populations to eliminate the weak.
b)
the strong protect the weak.
c)
the organisms with the most adaptive traits produce many offspring.
d)
gene flow is the only way species change over time.
19.
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________
a)
Species
b)
Environmental Change
c)
Adaptation
d)
Variation
20.
According to the diagram, which organism is older: the ammonite or the coral?
a)
ammonite
b)
coral
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