Hierarchy of Cellular Organization

MARCH 4, 2014

CELL-FUNDAMENTAL UNIT OF LIFE

TISSUE-TYPE OF MATERIAL FROM WHICH ANIMAL AND PLANTS ARE MADE, CONSISTING OF SPECIALIZED CELLS AND THEIR PRODUCTS

ORGAN -A PART OF AN

ORGANISM THAT IS TYPICALLY SELF-CONTAINED AND HAS A SPECIFIC VITAL FUNCTION, SUCH AS THE HEART OR LIVER IN HUMANS

ORGAN SYSTEM

-A GROUP OF ORGANS THAT WORK TOGETHER TO PERFORM A CERTAIN TASK

ORGANISM -AN

INDIVIDUAL ANIMAL, PLANT, OR SINGLE-CELLED LIFE FORM

POPULATION -ALL THE

INDIVIDUALS OF A PARTICULAR SPECIES LIVING IN AN AREA

COMMUNITY

-THE ENTIRE ARRAY OF ORGANISMS IN AN ECOSYSTEM

ECOSYSTEM

-ALL THE ORGANISMS LIVING IN A PARTICULAR AREA INCLUDING PHYSICAL COMPONENTS SUCH AS AIR, SOIL, WATER, AND SUNLIGHT

CELL

TISSUE ORGAN

ORGAN SYSTEM

ORGANISM

POPULATION

COMMUNITY

ECOSYSTEM