Six Characteristics of
Living Things
Pg.36-39
Living Things Have Cells

Cell- membrane covered structure containing all
materials needed for life

Too small to see with the naked eye

Organisms have one or more cells
Living Things Sense and Respond to
Change


Stimulus- a change that affects what an organism does
(the cause)

Chemicals

Gravity

Light or darkness

Sounds

Tastes
Response- (the effect)
Mimosa Pudica in action
Venus Fly Trap in action 0:30
Rats and Toads
Homeostasis

Maintaining a stable internal environment

98.6 F

How?

Hot

Cold
Body Systems Regulate

How?

Digestive and Excretory Systems

Muscular System

Circulatory and Respiratory Systems

Integumentary System
Living Things Reproduce


Asexual

One parent

Identical to parent

Most single-celled organisms
Sexual

Two parents

Share characteristics of both

Most animals and plants
Living Things Have DNA

Deoxyribonucleic Acid

Instructions for making proteins

Heredity- passing characteristics on to the next
generation
Living Things Use Energy

For

Making food

Breaking down food

Building cells

Moving materials in/out of cells

Metabolism- total of all chemical activities performed

So, is a high metabolism good or bad?
Living Things Grow and Develop

Get larger

Increase number of cells

Can still look the same or change
So… living or non-living?
http://www.pbslearningmedia.org/resource/tdc02.sci.life.colt.alive/is-it-alive/
So… living or non-living
log
So… living or non-living
Tuna sandwich
So… living or non-living
Cotton t-shirt