Summary
Summary Evolution learning sheet
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Summary of 11 pages for the course Biologie at Gymnasium (Study sheet)
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2&
,Darwin/Lamaick
Darwin
↳
proposed the
theory of natural selection :
↳
Individual for Some have variation than for
organisms in a certain species show more variation a certain characteristic .
may more others a certain
characteristic ,
for example some giraffes may have longer necks
than others
↳
Individuals with characteristics most suited to the ear. are more
likely to survive to breed
successfully ,
it one of them has the required characteristics
that allow them to Survive longer to breed
, they'll survive longer .
Example : if a lion is
stronger ,
it will survive for longer and the able to breed more
4)
the characteristics that have enabled these individuals to survive are then passed on to the next generation .
Parents have a genetic advantage
they will
pass this onto that kids
. This allow them to survive longer to reproduce
>
-
organisms
-- fittest
↳ all of these changes time seen querations
take a
long only after
+
many
problems : Unable to
provide
-
>
scientific backing to
why this
variety existed
,
lack of eviduce -
>
his problem
Lamarck
Changes in the organism during their lifetime could be inherited
↳ inheritance of acquired characteristics says that if the parents had changes in their lifetime ,
they'd be passed into the kids
.
Earple :
grafte had a
long
its its lifetime it stretched to leaves each generation girate had neck than
neck neck
during as ; meaning longer
--
because grew longer ,
reach of a
prev .
generations .
Genetics show that all inherited traits were n
passed through genes which - >
unaffected by outside world as Lamarck would say and we
,
naturally varied as Darwin said
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