Download Levels of Organization PPT

Levels of
Organization
Living organisms are considered
to be “highly organized”
This means that they are made
up of different components
working together in a specific
way.
Your body has many organs,
such as a heart and _________
Plant organs include stems and
____________
Animal and plant organs are
organized into organ systems
like the skeletal system and
__________
What do both plants and
animals have in common?
Plants and animals are both
made of smaller parts working
together to form a whole.
Levels of Organization
1.
2.
3.
4.
5.
Cell
Tissue
Organ
System
Organism
http://www.yellowtang.org/animations/organization.swf
vocabulary
word!

Cell
cell - the smallest unit of structure and
function of living things
unicellular


Unicellular organisms are made up of just
one cell that performs all of its life
functions.
Unicellular organisms do not have levels of
organization.
diatoms
euglena
multicellular

Multi-cellular organisms are made of more
than one cell.


They have levels of organization.
Cells that make up multi-cellular organisms
may have specific functions.
Multi-cellular
squamous cells
monocot and dicot (plant) cells
vocabulary
word!

Tissue
tissue – a group of similar cells that
perform a specific function
ground tissue in leaf
animal tissues
muscle tissue
epithelial tissue
nerve tissue
adipose tissue
plant tissues
protective tissue
transport tissue
ground tissue
vocabulary
word!

Organ
organ - group of at least two tissues
working together to perform a specific
function.



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
heart
lung
stomach
brain
leaf
stem
organ system

system - a group of two or more organs
that work together to perform a function.




skeletal system
circulatory system
muscular system
nervous system
vocabulary
word!

Organism
organism - combines cells, tissues, organs,
and systems
multicellular

Cells, tissues, organs and organ systems
make up the structure of multi-cellular
organisms.
Design your own in your notes.


Sort through the laminated cards. Place
them in order from smallest level of
organization to largest.
Recreate this graphic organizer on your
paper and fill in using the information on
the cards.
Organism needs

All living organisms need certain things to
live





Obtain energy (photosynthesis and
respiration)
Eliminate waste
Respond to stimuli
grow
Reproduce