Ch15 Flashcards

0
Q

Similar species descended from common _______

A

Ancestors

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1
Q

Lamarcks was a ______ scientist in 1744-1829

A

French

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2
Q

__________: explanation for a species change

A

Acquired traits

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3
Q

Acquired trait have changes that arise from _________ and behaviour over a ________

A

Experiences

Life time

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4
Q

Acquired traits are not determined by _______

A

Genes

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5
Q

Ex of acquired traits are _________, tails, _________

A

Webbed feet

Girraffe neck

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6
Q

Charles Darwin went to _______ school

A

Medical

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7
Q

_________ studied to become a minister

A

Charles darwin

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8
Q

Charles darwin was interested in ______ and ________

A

Wild life

Environment

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9
Q

Charles darwin took a voyage on a ship:________

A

The beagle

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10
Q

Darwin proposed ___________

A

Natural selection

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11
Q

_________: occurs because of adaptions

A

Natural selection

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12
Q

_________ published the book “origin of species”

A

Darwin

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13
Q

Darwin published “____________” in 1859

A

Origin of species

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14
Q

Evolution of natural selection: human populations are able to _____ faster than the food supply can

A

Increase

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15
Q

Who said “human populations are able to increase faster than the food supply can”

A

Thomas malthus 1798

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16
Q

Evolution of natural selection: only a limited number of _______ survive to reproduce

A

Limited

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17
Q

Darwins theory: descent w modification _______ life forms appearing in the fossil record are modified versions of old _______

A

Newer

Old

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18
Q

Darwins theory: modification of natural selection mechanism for how _______ can occur

19
Q

Common ancestor can be _______ back

20
Q

why do some organisms survive when others do not? (2 answers)

A

The environment affects individuals differently

Some Traits provide an advantage

21
Q

Populations _______ as the proportion of favorable genes ________

A

Adapt

Increases

22
Q

______: single organisms genetic contribution to the next generation

23
Q

Favorable traits provide an __________

A

Adaptive advantage

24
________: inherited traits that become popular die to selective advantage
Adaptions
25
Darwins theory: inherited ________ exists within the genes of every _________
Variation | Population
26
Darwins theory: some individuals are better suited for their ______
Environment
27
Darwins theory: traits that provide an ________ are spread as individual survive and have ________
Advantage | Offspring
28
Darwins theory: ______ provide evidence that living species evolved from extinct species
Fossils
29
Fossil record js not ______
Complete
30
Many times genetic imfo is not available from the ______
Fossils
31
Not all organisms are _______ likely to be fossilized
Equally
32
_________: a film of carbon remains after other elements of an organism have decayed
Impronts
33
_________: created by impression of shape
Mold
34
_________: sediment fills in a cavity left by a fossil
Cast
35
Ways of determining fossil age: - position w ___________ - look at different strata: _________
Sedimentary rock | Deeper olders
36
Carbon dating is done by comparing the ratio of ____________
Carbon 12 and carbon 14
37
________ is used to date things that are upt to 50,000 yrs old
Carbon dating
38
Evidence if commin ancestry: organisms that are similar on ________ had a common ancestor
Structure
39
________: structures that are embryologically similar and functionally different
Homologous
40
_______: structures that are embryologically different function the same
Analogous
41
__________: organs that are seemingly functionless
Vestigial organs
42
__________: examine biochemistry comparison within organisms
Biochemical comparison
43
Embryological development: | Compare organisms at various _______ of development
Various
44
Embryological development: embryonic similarities indicate _________
Common ancestor