1. Bare Necessities of Life
1. Food …Energy
________ make their own food
_________obtain food by eating other organisms
___________ by breaking down nutrients of dead organisms or animal wastes
producers
consumers
decomposers

2. Bare necessities continued
2. ______...Needed for chemical _________ to occur in the body …can only survive about _______without water
Water
reactions
3 days

3. Bare necessities continued
____..._________ of several gases
________ needed by most organisms to
release energy from food
Producers require _______________
in addition to oxygen to convert sunlight to
______
Air
mixture
oxygen
carbon dioxide
food

4. Bare necessities continued
____________…must _______ all
things organisms need to _______
leads to ___________
Place to live
provide
survive
competition

5. STOP

6. Life Processes _______ and ____________… _______ use…
These are__________ for survival
necessary
_______ and ____________…
Growing is getting _______
Development is getting more _______
_______ use…
__________ = all chemical ________ that occur in the _____
Growth
Development
bigger
complex
Energy
Metabolism
reactions
body

7. Life Processes…continued
Use of ______
water makes up ______ percentage of body
Exchange of ______
_______ take carbon dioxide ___ and let oxygen _____
________ take oxygen ___ and let carbon dioxide _____
water
large
gases
Plants in
out
Animals in
out

8. Life processes…continued
Elimination of ______
Solid, Liquid and gaseous waste
6. _____ _____
The length of time an organism is expected to ______
________ from species to species
waste
Life Span
exist
varies

9. Life processes…continued
7. ______________
_________ = single parent produces
offspring _________to the parent
________= usually requires _____
parents to produce offspring with ______
of ______ parents
Reproduction
Asexual
identical
Sexual
two
traits
both

10. Life processes…continued
_________ to _________
The body does this to maintain
_____________ (allows the ___________
to keep a _______ internal environment)
Examples:
Respond
Stimulus
homeostasis
organism
stable

11. songs Characteristics of Life
Homeostasis