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WorksheetsEvolution
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Which structures below are analogous structures?
a)
human arm & cat arm
b)
dog's nose & snake's tongue
c)
reptile foot & bird foot
d)
bat wing & mouse arm
2.
Which structures below are vestigial structures?
a)
mouse arm & bat wing
b)
human arm & bat wing
c)
wisdom teeth & an appendix
d)
dog's nose & snake's tongue
3.
Which structures are homologous structures?
a)
human arm & cat arm
b)
dog's nose & snake's tongue
c)
wisdom teeth & an appendix
d)
dolphin fin & fish fin
4.
Different in structure but share common job or function:
a)
Vestigial structures
b)
Analogous structures
c)
Homologous structures
5.
Similar in structure but are different in job or function:
a)
Vestigial structures
b)
Analogous structures
c)
Homologous structures
6.
Non-functional structures now but once were used by ancestors
a)
Vestigial structures
b)
Analogous structures
c)
Homologous structures
7.
Which one of these is an example of artificial selection?
a)
size of finches beaks
b)
length of tortoises's neck
c)
polar bear's fur color
d)
dog breeding
8.
Which one of these is an example of natural selection?
a)
size of finches beaks
b)
dog breeding
c)
cattle breeding
d)
hybrid plants
9.
When more offspring are being produced, there is a competition of limited resources---this is known as:
a)
Struggle for Existence
b)
Survival of the Fittest
c)
Descent with Modification
d)
Adaptation
10.
When only the fittest organisms survive & reproduce---this is known as:
a)
Struggle for Existence
b)
Survival of the Fittest
c)
Descent with Modification
d)
Adaptation
11.
When organisms, whether living or extinct, are descended from a common ancestor---this is known as:
a)
Struggle for Existence
b)
Survival of the Fittest
c)
Descent with Modification
d)
Adaptation
12.
When animals have to adapt to their environment in order to survive---this is known as:
a)
Struggle for Existence
b)
Survival of the Fittest
c)
Descent with Modification
d)
Adaptation
13.
Changes that happen slowly over time is known as:
a)
Artificial Selection
b)
Natural Selection
c)
Variations
d)
Evolution
14.
Changes that happen due to genetics or the environment
a)
Artificial Selection
b)
Natural Selection
c)
Variations
d)
Evolution
15.
Variation of traits that happen naturally WITHOUT humans deciding what is useful:
a)
Artificial Selection
b)
Natural Selection
c)
Variations
d)
Evolution
16.
Variations of traits that happen WITH humans deciding what is useful:
a)
Artificial Selection
b)
Natural Selection
c)
Variations
d)
Evolution
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