miércoles, 22 de noviembre de 2017

PLANTS REPRODUCTION



POLLINATION  PROCESS  IN PLANTS FOR KIDS


THE FRUIT. THE DISPERSAL AND THE GERMINATION OF SEEDS

WHAT IS THE GERMINATION? GERMINATION OF SEEDS


FLOWER REPRODUCTION






SEXUAL REPRODUCTION
  •              Flowers are the reproductive organs of the plant. 
  •              The stamens are the male. They produce pollen.
  •             The ovary is the female part. It produces ovules which  becomes seeds.


POLLINATION
  • Tiny pollen grains form on the stamens.
  • POLLINATION is teh movement of pollen from stamens to ovary. 
  • It used to take place in the same plant.
  • Wind and insects also carry plant to other plants.



SEEDS AND FRUITS

  • After pollination the flower changes.
  • Petals fall and ovary grows. It becomes a fruit with seeds.
  • The fruit is ripe, it falls to the ground and the seeds fall out. 
  • The seeds germinate: they open, and small roots and tiny leaves grow.


ASEXUAL REPRODUCTION
  • Some plants reproduce without flowers or seeds:
    • TUBERS: they are underground stems. It develops roots and a stem rise above the ground.  For example he potato.
    • BULBS: they also grow underground. For example onions
    • STOLONS: These are stems which extend acroos the ground. Roots grop an a new plant begins. For example strawberries.