DEVELOPMENT
,GROWTH ?
• Can be defined as an irreversible permanent increase in size of an
organ or its parts or even of an individual cell
• Figure 1 : Germination and seedling development in bean
, OPEN FORM AND SECONDARY GROWTH OF
PLANTS.
• The form of growth : wherein new cells are always being added to
plant body by the activity of the meristems.
• Secondary growth of plants the meristems that course an increase
the girth of the organs they are active.