Transcript Early Ideas About Evolution

Early Ideas About
Evolution
Jigsaw Activity
JIGSAW

Work with your group to understand how your assigned
scientist contributed to Darwin’s Theory of Natural
selection and evolution.

Use the questions at your station as a guide.

Assign a presenter for your group to share your findings

Make sure to fill out your foldable as every group
presents.
Jean Baptiste-Lamarck
What
was his
main idea or
hypothesis?
Jean Baptiste-Lamarck
 Inheritance
of Acquired
Characteristics
 Changes in the environment
cause evolution
 Organisms will evolve to be
perfect
 No extinction
Georges Cuvier
What
was his main
idea/hypothesis?
Georges Cuvier
 Species
don’t change
 Species
can go extinction
 catastrophism
Charles Lyell
What
was his theory?
Charles Lyell
Uniformitarianism
Earth
changes
repeatedly
Thomas Maltus
Main
Idea?
Thomas Maltus

Economic Theory

Competition for resources
Alfred Russel Wallace
 Hypothesis?
 Similarities
Darwin?
to
Alfred Russel Wallace

Intelligent Evolution

Mostly in agreement with Darwin

Darwin published first
Charles Darwin
 Theory
 Four
of?
principles?
Charles Darwin

Theory of Natural Selection

Four principles:
Variation
Overproduction
Adaptation
Descent with Modification