1. Characteristics of Living Things
Alive or not alive?

2. All living things are made of the same elements:
C_______
H_______
N_______
O_______
ARBON
YDROGEN
ITROGEN
XYGEN

3. Living things can: Move Grow Made of cells Reproduce
Respond to stimulus
Perform certain chemical activities

4. Life comes from Life
People used to believe in SPONTANEOUS GENERATION. This idea stated that life could spring from _________ matter.
Francesco Redi disproved this idea in He proved that ________ do not come from _________________, they come from their ____________.
All life is made of ______ that came from other ___________.
nonliving
FLIES
ROTTING MEAT
PARENTS
CELLS
CELLS

5. Movement
Living things move to get __________.
FOOD AND REPRODUCE

6. Metabolism
Metabolism is the _____ ____ and _______ ______ of chemicals in an organism.
Ingestion
Digestion
Respiration
Excretion
Building up
Breaking down

7. Growth
Not only do living things grow by getting _______ they also develop by getting more _________.
larger
complex

8. Living organisms Respond to Stimuli
A ______________ is any change in the environment.
A _______________is the action or movement of an organism.
stimulus
response

9. All life can REPRODUCE
__________ reproduction involves only one parent.
__________ reproduction involves 2 parents.
Asexual
Sexual

10. Needs of Living Things
What do you need to survive?

11. Energy
All life requires ENERGY. The main source of energy for most living things is the sun.
FOOD is a need of all organisms.

12. Water Life could not exist without WATER.
More than 65% of your body is made of water.
Most of the chemical reactions in living things take place in water.

13. Space
Organisms compete for LIVING SPACE