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Evolution v2019 Flashcards | StudBud
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Evolution v2019
Evolution v2019
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#natural selection
Flashcards
24 cards
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Questions
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Answers
1
The wings of bats and forelimbs of cats are vestigial structures.
true
false
2
In a muddy pool, light-colored fish are more likely to be eaten than dark fish. Dark color is
fossil evidence.
artificial selection.
an adaptation.
[none of the other options]
3
In natural selection, humans select the variations of traits to be passed down to offspring.
false
true
4
The large ground finch obtains food by cracking seeds. Its short, strong beak is an example of
an adaptation.
the struggle for existence.
the tendency towards perfection.
a vestigial organ.
5
How well an organism survives and reproduces in its environment can be described as its
common descent.
homologous structure.
fitness.
analogous structure.
6
Evidence for evolution only occurs in the fossil record.
true
false
7
An inherited characteristic that increases an organism's ability to survive & reproduce is
an adaptation.
an analogous structure.
a homologous structure.
a vestigial structure.
8
Peppered moths vary in color from light gray to black. In an area without factories, we expect
equal numbers of light and dark moths.
mostly light moths.
no moths.
mostly dark moths.
9
Which of these would an animal breeder use to increase the number of cows giving the most milk?
artificial selection
natural selection
acquired traits
overproduction
10
In addition to living species, Darwin studied the preserved remains of ancient organisms called
vestigial structures.
homologous structures.
fossils.
adaptations.
11
Both bats and mosquitoes have wings. Wings are an example of
[all of the other options]
homologous structures.
vestigial structures.
analogous structures.
12
Both pig and rabbit embryos have gill slits. This suggests that
pigs and rabbits can live in water.
pigs are more closely related to fish than rabbits.
pigs and rabbits are closely related to fish.
pigs and rabbits share a common ancestor.
13
Species that have evolved from a common ancestor should have certain characteristics in common.
false
true
14
Body parts that have little/no purpose are called
homologous structures.
embryonic similarities.
vestigial structures.
analogous structures.
15
In Darwin's time, many people thought Earth was formed just a few thousand years ago.
false
true
16
Darwin noted that different species were found in similar environments on different continents.
false
true
17
Darwin's theory of evolution is supported by
DNA evidence.
embryology.
fossil evidence.
[all of the other options]
18
A bird's wings are homologous to
an alligator's claws.
a fish's tailfin.
a dog's front legs.
a mosquito's wings.
19
Structures shared by organisms that come from a common ancestor are called
vestigial structures.
homologous structures.
analogous structures.
embryonic similarities.
20
Body parts that are used for the same function but are NOT the same structure are called
vestigial structures.
analogous structures.
embryonic similarities.
homologous structures.
21
Which of the following does NOT provide evidence for evolution?
fossil record
geographical distribution of living organisms
natural variation within a species
homologous structures of living organisms
22
Which is NOT part of Darwin's theory of evolution?
common descent
acquired traits
variations and adaptations
natural selection
23
Scientists think that chimps are more closely related to humans than other primates. Why?
Humans and chimps are both placental mammals.
Humans and chimps share 98% of their DNA sequences.
Both human and chimp embryos contain gill slits.
Humans and chimps have binocular vision.
24
What would be a favorable trait for a rabbit trying to avoid predators in a snowy environment?
brown fur
short ears
long ears
white fur