Sept 13th 9/13/2022
THE EVOLUTION OF OUR UNDERSTANDING
OF EVOLUTION: PART 2
Plato (400 BC) Darwin 1958
OVERVIEW OF THE IMPORTANT
CONCEPTS/IDEAS (CH 1)
Great Chain of Being
Geocentrism vs Heliocentrism
How old is the Earth?
Uniformitarianism vs Catastrophism
Linneaus: Biological Classification of Living Things
Do plants and animals change over time?
Lamarck: Evolution by the Inheritance of Acquired
Characters
Darwin: Evolution by Natural Selection
GREAT CHAIN OF BEING
Longstanding view of the way
that the various life forms on
earth were organized
Everything has its place in a
divinely planned hierarchy
Purposeful order from simple
to complex; imperfect to
perfect
Static ‐ Species are
fixed/immutable/unchanging
Humans at the top
1
, 9/13/2022
https://geopolicraticus.wordpress.com/2013/03/25/diachronic-
extrapolation-and-uniformitarianism/
EVOLUTION BY THE
INHERITANCE OF ACQUIRED CHARACTERS
First theory of species
evolution (change over time)
WITH a mechanism for how
change could occur
Proposed by Jean Baptiste
Lamarck (1744‐1829)
Two important components:
Acquired characters
Inheritance of them
2
THE EVOLUTION OF OUR UNDERSTANDING
OF EVOLUTION: PART 2
Plato (400 BC) Darwin 1958
OVERVIEW OF THE IMPORTANT
CONCEPTS/IDEAS (CH 1)
Great Chain of Being
Geocentrism vs Heliocentrism
How old is the Earth?
Uniformitarianism vs Catastrophism
Linneaus: Biological Classification of Living Things
Do plants and animals change over time?
Lamarck: Evolution by the Inheritance of Acquired
Characters
Darwin: Evolution by Natural Selection
GREAT CHAIN OF BEING
Longstanding view of the way
that the various life forms on
earth were organized
Everything has its place in a
divinely planned hierarchy
Purposeful order from simple
to complex; imperfect to
perfect
Static ‐ Species are
fixed/immutable/unchanging
Humans at the top
1
, 9/13/2022
https://geopolicraticus.wordpress.com/2013/03/25/diachronic-
extrapolation-and-uniformitarianism/
EVOLUTION BY THE
INHERITANCE OF ACQUIRED CHARACTERS
First theory of species
evolution (change over time)
WITH a mechanism for how
change could occur
Proposed by Jean Baptiste
Lamarck (1744‐1829)
Two important components:
Acquired characters
Inheritance of them
2