EVOLUTION
N13 !
Definition A change in the
gene pool of population
·
: a over time .
~
slow ,
continuous process
~
long-term change of
organisms 3 division into discrete species .
continuous
genetic adaptation of
organisms populations through mutations
hybridisation
~
, ,
drift 3 natural selection
genetic .
~
Lamarchism & Darwinism
Lamarckism
·
Jean-Baptiste Lamarck 1801
First Scientist to that change in
suggest living organisms is the result of natural processes
·
magic)
(God ,
3 not the supernatural process of creation .
His idea : Evolution by the inheritance of acquired characteristics .
·
) useful characteristics developed by an
organism during its lifetime would be passed
to its offspring
on
.
I if something was not used ,
it would be reduced in the offspring b eventually
disappear from the
gene pool .
e
g
· . :
has been shown that aquired characteristics NOT passed on
·
It are .
feed does affect the
>
stretching to not
germ cells or
gametes .
, Darwinism
Grandfather
was Erasmus
Darwin .
·
Charles Darwin 1831-1836
·
Naturalist on HMS
Beagle < sailed to South America & Australid .
~
·
Noticed similarities of fossils with
living plants b animals .
Noticed differences between similar in different places ·
organisms
·
·
Published 'On the Origin of Species by Means of Natural Selection
His idea
Organisms which inherit characteristics that put them advantage
·
:
at an are most
likely to survive I reproduce ,
passing on the desired feature to their offspring.
& survival of the fittest'
I called this process Natural Selection .
& the natural environment selects suitable individuals .
each population change the
> causes to
phenotypes it contains over time .
> enables species to succeed in its environment .
·
Alfred Wallace wrote to Darwin about his theory.
Both presented together to their theory
·
a
paper announce
.
Their explanation describes a
gradual change in species with time Gradualism
·
.
Darwin's explanation :
.
1 More
offspring is produced than what is needed to
maintain a stable population .
.
2 The population remains the same / constant in number .
.
3 There is struggle for existence the environmental
a
against
resistance.
4
. There is variation within the population .
.
5 The suitable variants survive a reproduce.
.
6 The selected inherited
variation is
by the
offspring .
, the scientific
theory
theory >
-
explanation / model based on observation , experimentationb reasoning
.
·
has been tested 3 confirmed .
·
has not
yet been disproved.
·
published in scientific journals .
Religions & Scientific Conflict
Creationists members of different which believe that Earth b all living things it
religions on
=
created event
were in a
single
.
Science needs evidence to support its facts .
Faith does not need evidence ; is an act of belief .
based evidence.
Evolution belongs to science as it is on
Intelligent Design
~ alternative explanation for Darwin's theory.
~
Type of creationism based on :
Science can't explain complicated nature of the universe
·
.
·
Unexplained aspects of the universe point to existence of God .
Scales of evolution
G 2
MICROEVOLUTION MACROEVOLUTION
varieties within given type major evolutionary changes
·
over time
·
a .
Change happens within a
group origin of new
types of organisms from
· ·
descendant of the same previously existing but different ancestral
· is
type as , ,
the ancestor .
types.
Change due to mutations natural selection , e : whales descending from a land animal
g
· ·
. .
,
drift artificial selection
genetic occurs
through punctuated equilibrium or
·
.
,
gradualism .
#
N13 !
Definition A change in the
gene pool of population
·
: a over time .
~
slow ,
continuous process
~
long-term change of
organisms 3 division into discrete species .
continuous
genetic adaptation of
organisms populations through mutations
hybridisation
~
, ,
drift 3 natural selection
genetic .
~
Lamarchism & Darwinism
Lamarckism
·
Jean-Baptiste Lamarck 1801
First Scientist to that change in
suggest living organisms is the result of natural processes
·
magic)
(God ,
3 not the supernatural process of creation .
His idea : Evolution by the inheritance of acquired characteristics .
·
) useful characteristics developed by an
organism during its lifetime would be passed
to its offspring
on
.
I if something was not used ,
it would be reduced in the offspring b eventually
disappear from the
gene pool .
e
g
· . :
has been shown that aquired characteristics NOT passed on
·
It are .
feed does affect the
>
stretching to not
germ cells or
gametes .
, Darwinism
Grandfather
was Erasmus
Darwin .
·
Charles Darwin 1831-1836
·
Naturalist on HMS
Beagle < sailed to South America & Australid .
~
·
Noticed similarities of fossils with
living plants b animals .
Noticed differences between similar in different places ·
organisms
·
·
Published 'On the Origin of Species by Means of Natural Selection
His idea
Organisms which inherit characteristics that put them advantage
·
:
at an are most
likely to survive I reproduce ,
passing on the desired feature to their offspring.
& survival of the fittest'
I called this process Natural Selection .
& the natural environment selects suitable individuals .
each population change the
> causes to
phenotypes it contains over time .
> enables species to succeed in its environment .
·
Alfred Wallace wrote to Darwin about his theory.
Both presented together to their theory
·
a
paper announce
.
Their explanation describes a
gradual change in species with time Gradualism
·
.
Darwin's explanation :
.
1 More
offspring is produced than what is needed to
maintain a stable population .
.
2 The population remains the same / constant in number .
.
3 There is struggle for existence the environmental
a
against
resistance.
4
. There is variation within the population .
.
5 The suitable variants survive a reproduce.
.
6 The selected inherited
variation is
by the
offspring .
, the scientific
theory
theory >
-
explanation / model based on observation , experimentationb reasoning
.
·
has been tested 3 confirmed .
·
has not
yet been disproved.
·
published in scientific journals .
Religions & Scientific Conflict
Creationists members of different which believe that Earth b all living things it
religions on
=
created event
were in a
single
.
Science needs evidence to support its facts .
Faith does not need evidence ; is an act of belief .
based evidence.
Evolution belongs to science as it is on
Intelligent Design
~ alternative explanation for Darwin's theory.
~
Type of creationism based on :
Science can't explain complicated nature of the universe
·
.
·
Unexplained aspects of the universe point to existence of God .
Scales of evolution
G 2
MICROEVOLUTION MACROEVOLUTION
varieties within given type major evolutionary changes
·
over time
·
a .
Change happens within a
group origin of new
types of organisms from
· ·
descendant of the same previously existing but different ancestral
· is
type as , ,
the ancestor .
types.
Change due to mutations natural selection , e : whales descending from a land animal
g
· ·
. .
,
drift artificial selection
genetic occurs
through punctuated equilibrium or
·
.
,
gradualism .
#
