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Unit 8 Evolution Quiz Flashcards | StudBud
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Unit 8 Evolution Quiz
Unit 8 Evolution Quiz
20 terms
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#natural selection
Flashcards
20 cards
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Questions
20
Answers
1
Both pig and rabbit embryos have gill slits. This suggests that
pigs and rabbits are CLOSELY related to fish.
pigs and rabbits can live in water if they only had the chance.
pigs and rabbits share a common ancestor.
pigs are more closely related to fish than they are to rabbits.
2
Bats and mosquitos are not closely related. Their wings are an example of:
vestigial structures.
homologous structures.
analogous structures.
[all of the other options]
3
Body parts that have little/no purpose are called
analogous structures.
embryonic similarities.
vestigial structures.
homologous structures.
4
Species that have evolved from a common ancestor should have certain characteristics in common.
true
false
5
Which is NOT part of Darwin's theory of evolution?
variations and adaptations
acquired traits (evolution during one's lifetime)
struggle for existence
natural selection
6
Scientists think that chimps are more closely related to humans than other primates. Why?
Humans and chimps are both placental mammals.
Humans and chimps have binocular vision.
Humans and chimps share 98% of their DNA sequences.
Both human and chimp embryos contain gill slits.
7
In Darwin's time, many people thought Earth was formed just a few thousand years ago.
false
true
8
Which of these would an animal breeder use to increase the number of cows giving the most milk?
acquired traits
overproduction
artificial selection
natural selection
9
In natural selection, humans select the variations of traits to be passed down to offspring.
true
false
10
The wings of bats and forelimbs of cats are vestigial structures.
true
false
11
Peppered moths vary in color from light gray to black. In an area without factories, we expect
mostly light moths.
no moths.
equal numbers of light and dark moths.
mostly dark moths.
12
What would be a favorable trait for a rabbit trying to avoid predators in a snowy environment?
brown fur
short ears
white fur
long ears
13
In a muddy pool, light-colored fish are more likely to be eaten than dark fish. Dark color is:
fossil evidence.
artificial selection.
[none of the other options]
an adaptation.
14
Structures shared by organisms that come from a common ancestor are called
analogous structures.
embryonic similarities.
vestigial structures.
homologous structures.
15
In addition to living species, Darwin studied the preserved remains of ancient organisms called
adaptations.
fossils.
homologous structures.
vestigial structures.
16
The large ground finch obtains food by cracking seeds. Its short, strong beak is an example of
a vestigial organ.
the struggle for existence.
an adaptation.
the tendency towards perfection.
17
Body parts that are used for the same function but are NOT from the same origin/ancestor are called:
homologous structures.
analogous structures.
embryonic similarities.
vestigial structures.
18
Darwin's theory of evolution is supported by
All of the above
embryology.
DNA evidence.
fossil evidence.
19
How well an organism survives and reproduces in its environment can be described as its
homologous structure.
fitness.
analogous structure.
common descent.
20
Evidence for evolution only occurs in the fossil record.
true
false