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Early Ideas About Evolution
1795
– _________________ proposed _______________
– Same _____________________occurring in the ______ also
occurred in the _____________.
- Hutton explained the ____________________of  landforms as the
result of ______________________.
– Contrasts _______________________
18th century
- _________________ first to propose that _______ could
change over time and that changes could _______________
- ________________ proposed that relatively
___________had formed many _____________through
________________________________.
1830
- Using Hutton’s ideas  _____________ proposed
___________________________.
- Theory that _________________________and __________ to
change through _________________________________processes.
- The work of Hutton and Lyell led to two significant conclusions:
- that _____________________________________and
- that ___________________________over such extremes of time
through _______________________________processes.
19th century
-___________________was the first to recognize the key _______
__________________________ in evolution. He reasoned that in
order for _____________ over long periods of time, _____________
___________________ to the changing _________________.
-Where he went wrong was that he believed __________________
________________ and that new simple species were continually
being created by ________________________________ (living
arise from non-living)
- He believed in ___________________________or those
changes in an individual resulting from _______________
_____________________________
- EX. ________________
1831-1859
- _________________
- In 1831 Darwin boarded H.M.S. Beagle as a
naturalist for a _____
___________________________________________.
- Darwin was taken on the trip in hope that he would find evidence to
______________________________.
- He collected ______________________and recorded __________
of journal entries
- The most important stop on the voyage was to  the __________
______________
- Here he found that the _______________________________
but seemed to have its ____________________.
- At the time he failed to realize that  each _________________
________________ of plants and animals.
- Ex. Darwin’s Finches
When Darwin returned to England, he was full of enthusiasm and questions.
His subsequent __________________over the next ___________led him to
write the most _______________________________________:
“_______________________”
Darwin would _________________he had observed in
his travels and would provide ___________________
_______________________ for his theory of evolution.
What Darwin Observed
 Many unusual fossils resembled _____________________in
the same region.
 Ex. _______________________
Of the 13 finches he brought back from the Galapagos ____________
_________________, none found ___________________ and all
similar to _____________________________________________.
1. Large cactus finch (Geospiza conirostris)
2. Large ground finch (Geospiza magnirostis)
3. Medium ground finch (Geospiza fortis)
4. Cactus finch (Geospiza scandens)
5. Sharp-beaked ground finch (Geospiza difficilis)
6. Small ground finch (Geospiza fuliginosa)
7. Woodpecker finch (Cactospiza pallida)
8. Vegetarian tree finch (Platyspiza crassirostris)
9. Medium tree finch (Camarhynchus pauper)
10. Large tree finch (Camarhynchus psittacul)
11. Small tree finch (Camarhynchus parvulus)
12. Warbler finch (Certhidia olivacea)
13. Mangrove finch (Cactospiza heliobates)
The Galapagos contained ____________________like lizards and
turtles. ________________________.
Led to ideas about ______________________________________________.
Darwin not only compared species based on _________________
but also was interested in comparing _________________________
_________________
He found that body parts with ______________________________
__________________________________________.
 HOMOLOGOUS FEATURES
_______________________________________________________
______________________________________________________.
All of these parts include the _____________________________________________.
Evolution Assignment 2 - Activity 11.5.1 Biology 12
LOOKING FOR HOMOLOGIES
ANALOGOUS FEATURES are structures
__________________________________
__________________________________.
The wings of _____________________, or
the eyes of __________________were
observed to be different in internal anatomy.
Darwin concluded that organisms with homologous features _______
_____________________________________________________
Sometimes homologous features only appear during ______________
_____________________
These similarities were first noted biologist _______________
Mayr noted if evolution is not true, "why should the embryos of ______
______________________________________________?"
Darwin also studied numerous ___________________. Theses
are structures that _____________________________________
Ex.1 The digits in dogs, pigs and horses.
Ex. 2 - ____________________________________
Ex. 3 - _________________________________
Ex 4. ________________________________________________!
Ex. 5 - ________________________________________________.
Ex. 5 - _____________________________.
Ex. 6 - _____________________________.
Ex. 7 - ______________________________
With our knowledge of ____________, we have now
found a ________________________. Genes that do not
____________ but are almost identical to those that are
__________________________________________.
L-gulano-γ-lactone oxidase gene, required for _________________, is
found in _____________________________________________
Based on DNA sequences for this ______________in
chimpanzees, orangutans, and macaques the ___________
is most similar to _______________, followed by _________,
and then ____________, precisely as
________________evolutionary theory.