Contain characteristic contents of living protoplasts ... May just be in specific tissues Eg pith, cortex, perisperm. Single point. Line in a grain ...
Section six The seed Seed is a characteristic reproductive organs of seed plant . The flower through pollination and fertilization , ovule in ovary developed seed .
Title: Diapositive 1 Author: TicTac Last modified by: C dric P trequin Created Date: 1/4/2003 2:46:56 PM Document presentation format: Pr sentation l' cran
Embryogenesis = formation of embryo. est. body plan of 2 superimposed patterns ... Embryogenesis followed by seed development. seed = embryo S stores coat. func. ...
Most gymnosperms are narrow-leaved evergreen trees like pines, ... From: http://www.ualr.edu/~botany/monocotstem.jpg. Woody dicot stem. Early wood vs. late wood ...
The diagram above shows the breaking of seed dormancy (in a generalised grass/cereal seed). All seeds must absorb (imbibe) water to become metabolically active, ...