evolutionary thought.pptxevolutionary thought.pptx

3. GEOLOGIC EVOLUTION
•The process of gradual change
and events in earlier times that
include the steps to create the
earth.

20. Elucidated-gave a clear explanation

21. SUMMARY

22. EVOLUTION BEFORE
DARWIN

23. PLATO - Idealism
ARISTOTLE
– Scale of Nature

24. PLATO & ARISTOTLE
• Special creation of each species
• Organisms were created in their
current form
• The earth was only a few
thousand years old

25. Carolus Linneaus
• Showed natural
relationships of
plants.
• Father of Taxonomy

26. Thomas Malthus
• Principle of Population
• The continued growth of
a species would outstrip
needed resources, growth
would be limited.

27. Jean-Baptiste de Lamarck
• Inheritance of Acquired
Traits
• Use and Disuse

28. EVOLUTION ON
DARWIN’S TIME (1800s)

29. James Hutton
• Theory of the Earth
• Gradualism (geologic
change occurred slowly
by gradual process)

30. Georges Cuvier – James Hutton – Charles Lyell
• The earth is very old and constantly changing.
• Life existed millions of years ago.

31. Gregor Mendel
• Father of Genetics
• Individual characteristics
determined by inherited
factors transmitted from
parent to offspring.

32. Charles Darwin
• Father of Evolution
• The Origin of Species
• Descent with Modification
• Natural Selection

33. Alfred Russell Wallace
• Theory of Evolution
similar to Darwin’s
Natural Selection/
Adaptation

34. NEO-DARWINIAN/
CONTEMPORARY TIMES

35. • Rediscovered Mendel’s Law of Heredity

36. James Watson – Francis Crick
• DNA
Structure
• DNA
contains
coded
information
of genes
• Mutation –
raw material
for evolution

37. QUIZ
Among all the proponents who have
contributed to the Theory of Evolution, which
of them is the most believable.
Provide supporting details.