Inheritance , variation and evolution

• What are sex cells called in organisms?

  Gametes
• What are the male sex cells in humans called?

  Sperm
• What are the female sex cells in humans called?

  Egg or ova
• What is the significance of mixing genetic information in sexual reproduction?

  It leads to variety in the offspring
• What process leads to the formation of gametes?

  Meiosis
• What are the advantages of sexual reproduction?

  • Produces variation in offspring
  • Variation provides survival advantage
  • Natural selection can be enhanced by selective breeding
• What is the function of the ovaries in the female reproductive system?

  Contain ova and hormones
• What is the role of the fallopian tubes?

  Carry eggs from ovaries to uterus
• What does the uterus do?

  Shelters and nourishes the fetus
• What is the endometrium?

  The lining of the uterus
• What is the cervix?

  The opening of the uterus
• What is the vagina?

  A muscular passage from uterus to outside
• What are the functions of the parts of a flower?

  • Filament: Holds the anther up
  • Ovule: Egg cell that becomes seed
  • Sepal: Protects the flower bud
  • Anther: Produces pollen
  • Ovary: Contains female reproductive cells
  • Style: Connects ovary and stigma
  • Petals: Attract insects
  • Stigma: Where pollen lands for pollination