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Evolution And Natural Selection
Test Description: Evolution, natural selection
Instructions: Answer all questions to get your test result.
1) Who was the first person to base a system of classification on organisms having similar structures?
A
Einstein
B
Linnaeus
C
Darwin
D
Aristotle
2) Which of these characteristics BEST helps scientists classify organisms?
A
gender
B
color
C
size
D
structure
3) What process is most responsible for the extinction of most species of plants and animals that have lived on Earth?
A
gene mutation
B
environmental changes
C
decrease in reproduction
D
selective breeding
4) Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
A
They eat the same food.
B
They have similar anatomies.
C
They swim the same way.
D
They live in the same area of the ocean.
5) What do transitional fossils best support?
A
the Theory of Biological Evolution
B
the Theory of Geological Evolution
C
the Law of Superposition
D
the Theory of Continental Drift
6) Tigers and household cats are members of the same family; however, their sizes are vastly different. What is the cause of this difference?
A
habitat size
B
biochemical makeup
C
behavioral makeup
D
genetics
7) Which would best allow a species to survive environmental changes?
A
genetic diversity
B
similar physical features
C
small population
D
low mutation rate
8) Which best describes the relationship between genetic variation and the ability to adapt to one’s environment?
A
As genetic variation increases, the ability to adapt increases.
B
Genetic variation has no effect on the ability to adapt.
C
As genetic variation increases, the ability to adapt decreases.
D
As genetic variation decreases, the ability to adapt increases.
9) Which evidence would best support the extinction of a past species?
A
the disappearance of a species’ fossils
B
the loss of a species’ habitat
C
the evolution of a new species
D
the increase in predators of the species
10) Bird wings and insect wings are analogous structures. Which can most likely be concluded?
A
Birds and insects do not have a close common ancestor.
B
Birds evolved from insects.
C
Insects evolved from birds.
D
Birds and insects have a close common ancestor.
11) The human arm contains the radius and ulna bones. Whales, bats, and dogs also have these bones. Which statement best explains this relationship between the organisms?
A
Humans and the other animals share a common ancestor.
B
Humans have existed in the same location as the other animals.
C
Humans evolved from whales, bats, and dogs.
D
Humans evolved around the same time as the other animals.
12) What do scientists most often use to form the basis for biological classification?
A
dietary habits
B
comparative anatomy
C
geographic location
D
population size
13) Who first proposed the theory of evolution by natural selection
A
Fleming
B
Darwin
C
Linnaeus
D
Wegener
14) Which is the main cause of the variation in traits within a population of organisms?
A
reduction of habitats
B
environmental conditions
C
genetic mutations
D
common ancestors
15) Which best describes the similar function of wings in birds and butterflies?
A
analogous structures
B
embryological structures
C
vestigial structures
D
homologous structures
*select an answer for all questions
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