CBSE Class 12th Reproduction in Organisms - Stages of Sexual Reproduction

In this video we will learn about the various stages of sexual reproduction and animal breeding.

In this video we will learn about the various stages of sexual reproduction and animal breeding.

Each and every organism has a certain life span and they have to continue their generation. Reproduction is the process through which organism passes their genetic material to the next generation.

  • Juvenile Phase also known as pre-reproductive phase where rapid growth occurs.
  • In plants, this Juvenile Phase is called as vegetative phase.
  • Reproductive phase: a plant or animal attains sexual maturity.
  • Senescent phase: deterioration of all the organs takes place.
  • In flowering plants, reproductive phase mainly two types : Monocarpic plants and poly- carpic plants.
  • Strobilus kunthiana and bamboo plants, flower once in its lifetime so they are the example of monocarpic plant.
  • China rose and Rose plants, flower every year in its life time so they are the example of polycarpic plants.
  • Frog, lizards and many types of birds are the example of seasonal breeding.
  • Dogs, cats and human beings are the example of continuous breeding.

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