8 Functions of Lifex

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8 Functions of
Life
8 Functions (in no particular order)
 Nutrition
 Reproduction
 Movement
 Growth
 Excretion
 Secretion
 Response
 Respiration
8 Functions (in no particular order)
 Nutrition
 Made
up of
ingestion, or taking
in food, and
digestion, or
changing food
into a usable form.
 Plants ingest
sunlight, water,
minerals
8 Functions (in no particular order)
 Reproduction
 Producing
more of
it’s own kind
 Survival of the
species depends
on it
8 Functions (in no particular order)
 Movement
 Organism
may
move and
materials inside
also move
8 Functions (in no particular order)
 Growth
 Development
and
aging of organisms
over time
8 Functions (in no particular order)
 Excretion
 Removal
of wastes
 Examples:
bathroom uses,
sweating, etc
8 Functions (in no particular order)
 Secretion
 Useful
chemicals
made and given
off
 Examples:
snot,
saliva, oils from
plants, hormones,
musk odors, etc.
8 Functions (in no particular order)
 Response
 React
to changes
in its surroundings
or the
environment
 Example: Blinking
8 Functions (in no particular order)
 Respiration
 Metabolism
 Exchange
and use
of gases
 Especially oxygen
and carbon
dioxide
 Helps to release
energy from food
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