The Levels of
Biological
Organization:


*MOLECULAR LEVEL =>
•from atoms & molecules to
complex molecules like DNA


*CELLULAR LEVEL =>
•The CELL is the smallest unit of
life capable of carrying out all the
functions of living things.

(all living things are made of cells)

*TISSUE LEVEL =>
•A group of similar cells that
perform a specific function is a
TISSUE.


*ORGAN LEVEL =>
•Several different types of tissues
that function together to do a
certain job is an ORGAN.


HEART = ?
muscle tissue
nerve tissue
connective tissue
fat
etc...
