• A?seed?consists of several parts which can be shown in a labelled diagram
  • Testa
    • The seed coat
  • Cotyledon?or?cotyledons
    • The leaf or leaves of the embryo which sometimes contain the food source for the growing embryo
    • Some plants have one cotyledon and are known as monocotyledonous, and some have two and are dicotyledonous
    • In some plants the food source is separate from the cotyledons and is called the?endosperm
  • Embryo?plant
    • Consisting of the embryo?root?and embryo?shoot
  • Micropyle
    • A hole through the testa found near the?scar tissue?where the seed was attached to the parent plant

The internal and external structure of a bean seed

• Animal pollinated flowers?have several features in common which should be included in a labelled diagram
  • Nectary
    • Nectar secreting glands to attract pollinators
  • Petals
    • Brightly coloured to attract pollinators
  • Sepals
    • Protect the unopened flower
  • Stamen,?which consists of
    • The?anthers?which produce and release?pollen
    • The?filaments?which hold the anthers in position
  • Carpel, which is made up of
    • The?stigma?which receives the pollen
    • The?style?which connects the stigma to the ovary
    • Ovary?which contains the?ovules
      • Ovules contain the female sex cells

Animal pollinated flowers have structures that attract pollinators and aid the process of pollination