Sponges are the most primitive animals, therefore, they have the lowest structural organization. Hope this helps!
The lowest level of organisms are cells. They are basic units of life. A cell can either live alone (bacteria) or work with other cells to form a multi cellular organism.
The lowest level is the cell.
The lowest level of organization that includes atoms and molecules is the chemical level. This is the level that maintains life.
cell
chemical
sub-atomic particles
The cell.
Precinct
precinct
Ecosystem is the lowest level of organization to include both biotic and abiotic factors?
cell, tissue, organ, organ system, organism
Departmentation by simple numbers
my balls sack