reproduction in plant and reproduction

• Types of reproduction:

  • Asexual reproduction:
  • Requires 1 parent
  • No genetic variation
  • Takes shorter time
  • Greater amount of offspring
  • Sexual reproduction:
  • Requires 2 parents
  • Genetic variation
  • Requires more time and energy
  • Smaller amount of offspring
• Reproduction in plants:

  • Part of a plant:
  • Petal: attracts insects by color
  • Anther: produces and releases a male sex cell (pollen grain)
  • Stigma:
  • Located at the top of the female part
  • Collects pollen grains
  • Ovary: produces female sex cell (ovum)
  • Sepal: protects unopened flower
  • Ovule: where fertilization happens
• Wind pollination:

  • Small flowers
  • Dull and absent petals
  • Feathery and long stigma
  • Large amount of pollen
  • Do not produce nectar
• Insect pollination:

  • Large flowers
  • Brightly colored petals
  • Stigma inside a small structure
  • Small amount of pollen
  • Produces nectar