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6 Characteristics of Life
Ms. Wellborn
30
Biology
10th Grade
08/30/2011

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Term
Stimulus
Definition
change in the enviornment
Term
response
Definition
organism's reaction
Term
irritability
Definition
the ability to respond
Term
movement
Definition
change in position
Term
locomotion
Definition
movement of the entire organism
Term
homeostasis
Definition
a stable environment, both within the organism and on the outside of it 
Term
Autotrophs
Definition
make their own food
Term
photosynthesis
Definition
carried out by organisms containin chlorophyll
Term
chemosythesis
Definition
occurs when there is no light, uses chemicals in the envirnment to make food
Term
heterotrophs
Definition
food from a different source-they ingest food
Term
production of wastes
Definition
substances not needed--they are removed from the organism
Term
development--life cycle
Definition
1. beginning 2. growth 3. maturity 4. decline 5. death
Term

growth 

(non-living)

Definition
occurs on the outside 
Term

growth

(living)

Definition
growth occurs from within the organism
Term
Reproduction
Definition
provides more of the same life form
Term
asexual reproduction
Definition
no exchange of genetic information
Term
sexual reproduction
Definition
exchange of genetic information
Term
cells
Definition
basic unit of life forms
Term
unicellular
Definition
ONE cell
Term
multicellular
Definition
MANY cells
Term
metabolism
Definition
hemical process
Term
catabolism
Definition
breakdown, digestion, release of energy
Term
anabolism
Definition
synthesizing, building, making process
Term
organic 
Definition
carbon compounds
Term
all things living and non-living are composed of _______
Definition
atoms
Term
only living things can produce certain ________ ________
Definition
chemicals naturally
Term
inheritance
Definition
passing of chracteristics to another generation by passing on DNA codes
Term
require water
Definition
ALL life forms are made primarily of water and MUST have this resource to survive
Term
Adaption
Definition
structures, behaviors, or metabolism which allow and organsim to survive a particular enviornment 
Term
Life
Definition
MUST HAVE ALL CHARACTERISTICS TO BE ALIVE!!!
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