Transcript 7 Characteristics of Living Things

Characteristics of
Living Things
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ORGANISM
Things that are alive
Any living thing is an
organism
Living or Non-living
 Living
 Meets all
characterist
ics of living
things
 Dead: used to be
living
 Non-living
Never
living to
begin with
Characteristics
of Living Things
CELLS
 All organisms are made up
of cells (tiny building blocks)
 Unicellular: Single-celled organisms
(bacteria)
 Multicellular: Organisms that are
made up of many cells (plants)
Are made up of
chemicals
 Water
 Carbohydrates
 Proteins
 Lipids
 Genetic material (DNA)
Living things must find ways to keep the
chemicals balanced (HOMEOSTASIS)
Use Energy
 All organisms need nutrients
and water for energy
 Some organisms make their own food
(AUTOTROPHS)
 Plants
 Some organisms can not make their
own food (HETEROTROPHS)
 Animals
RESPOND to the
ENVIRONMENT
 All organisms react to
changes in their
environment or a STIMULUS
 Organisms react to a
stimulus with a response
GROW & DEVELOP
 All organisms change and
become more complicated as it
grows
REPRODUCE
 All organisms need to
reproduce to keep their
species alive