Download Level of organization

Levels of Organization
All living things have a structure that is based on specific
organization of materials (chemicals).
Example
Level of
organization
oxygen, nitrogen, gold
atom
water, carbon dioxide
molecule
proteins, lipids,
carbohydrates
mitochondria, nucleus,
golgi apparatus
Explanation
the smallest particle of an
element having the same
physical and chemical
properties
Smallest particle of
compound--when two or
more atoms are bonded
together
macromolecule
when two or more
molecules are bonded
together to form large
(gigantic!) molecules
organelles
several macromolecules
bonded together form
tiny structures of a cell
Below this level begins what scientists consider living or alive
Bel
bacteria, animal, plant
epithelial, connective
cells
tissues
the smallest unit of life, a
cell is a collection of
organelles functioning
together
a collections of cells
working together to
perform a specific job
two or more types of
tissues that work together
to complete a specific task
heart, stomach, brain
organs
digestive,
cardiovascular,
respiratory
organ systems
(systems)
several organs working in
unison to achieve a
common goal
several organ systems
functioning together
human, dog, tree
organism
bees, ants
population
all of the human
species
community
wetlands, oak forest
ecosystem
desert, trundra,
rainforest
groups of individual
organisms of the same
species working together
to achieve a common goal
populations of different
species of organisms
groups of different
populations living in the
same environment
a collection of ecosystems
with similar climates
biome
the earth's living
occupants
all of the biomes on the
planet earth
biosphere