Class 10 Science Chapter 8 How Do Organisms Reproduce

TOPICS TO BE COVERED IN THIS CHAPTER ARE:
• Introduction
• What is reproduction?
• Why is reproduction necessary?
• Types of reproduction?
• Reproductive health
• Family planning

REPRODUCTION
• The production of new organisms from the existing organisms of the same species is known as
reproduction.
• Here, the term used for new organism produced is offspring/daughter cells and the term used
for existing organism or organisms is parents
• Example :
Sunflower seeds always produce sunflower plants

WHY IS REPRODUCTION NECESSARY?
• Reproduction is necessary for the survival of a particular species on this earth.
• Inheritance: Transmission of characters from one generation to the next generation
• Variations: leads to the origin of new species.

Class 10 Science Chapter 8 How Do Organisms Reproduce

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