1
INTRODUCTION TO
BIOLOGY
Take home points
• Biology: A brief history
• Modern biology
• What is life
• Characteristics of living things
, 2
What is Biology?
Science has two aspects--
It self a body of knowledge
Methods for discovering new knowledge
“BIOS”= life & “logos”= Thought. [Greek words]
Biology= Study of life.
, Origin of Life
Big Bang : Explosion from a pin sized to a Huge Universe.
Theory: Origin : Among all Planets, Earth only contains life.
of Earth
Earth : High temperature, poisonous gases, no free oxygen/
water.
without
: Life evolved from chemical reactions and gradual
life changes.
: Life begins when the cell forms.
Evolution : Single to multi-cellular organisms.
of life : Survival of the fittest.
3
, History: Cave Painting
Over 30 thousands years ago, in
France and Spain, caves were
decorated with animal paintings.
4
INTRODUCTION TO
BIOLOGY
Take home points
• Biology: A brief history
• Modern biology
• What is life
• Characteristics of living things
, 2
What is Biology?
Science has two aspects--
It self a body of knowledge
Methods for discovering new knowledge
“BIOS”= life & “logos”= Thought. [Greek words]
Biology= Study of life.
, Origin of Life
Big Bang : Explosion from a pin sized to a Huge Universe.
Theory: Origin : Among all Planets, Earth only contains life.
of Earth
Earth : High temperature, poisonous gases, no free oxygen/
water.
without
: Life evolved from chemical reactions and gradual
life changes.
: Life begins when the cell forms.
Evolution : Single to multi-cellular organisms.
of life : Survival of the fittest.
3
, History: Cave Painting
Over 30 thousands years ago, in
France and Spain, caves were
decorated with animal paintings.
4
