Transcript Properties of Life

Properties of Life
Regents Biology
What
characteristics
do living
creatures have
in common?
2007-2008
Living creatures are ORGANIZED
 All made of the same collection of
chemicals, but we are organized as…

molecules
 proteins, fats, carbohydrates, nucleic acids
carbohydrates
proteins
DNA
Regents Biology
Living creatures are ORGANIZED
 All made of the same collection of
chemicals, but we are organized as…

organelles & cells
 plant cells & animal cells
plant cell
animal cell
Regents Biology
Living creatures are ORGANIZED
 All made of the same collection of
chemicals, but we are organized as…

organs & organ systems
 respiratory, circulatory, digestive, etc.
Regents Biology
Living creatures RESPOND
 Respond to internal changes

Homeostasis
 maintaining balanced conditions inside the
body
 Respond to external changes
Regents Biology
Living creatures use ENERGY
 Metabolism

all the reactions your body performs to
make & use energy
 eating & digestion & elimination of waste
 synthesis = building
 cellular respiration = making energy
mitochondria
Regents Biology
Living creatures GROW & DEVELOP
 Change over an individual’s life time
get bigger
 mature

 so they can reproduce
Regents Biology
Living creatures REPRODUCE
 Make the next generation
Regents Biology
Don’t be a Dodo…
Ask Questions!!
Regents Biology
2007-2008