Modes Of Reproduction
Chapter Name : Reproduction In Animals |
Sub Topic Code : 103_08_09_01_01 |
Topic Name : Modes Of Reproduction |
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Sub Topic Name : Modes Of Reproduction |
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Introduction
Asexual reproduction – Involves only one parents and produces 2 or more genetically similar organisms., Sexual reproduction – Involves 2 parents. Male gamete fuses with female gamete to produce a zygote.
Pre-Requisites:
The different modes of reproduction – Sexual and Asexual
Activity:
Videos and pictures showing different types of fertilization.
Real Life Question:
How does bacteria reproduce asexually and humans sexually.
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Asexual reproduction | |
| Binary Fission | Unicellular organism divides into two cells of same size. |
| Budding | Formation of new organism by the protrusion of part of another part. |
| Fragmentation | Organism splits into fragments and each fragment develops into a mature organism |
| Polyembryony | Embryo divided into several identical embryos that undergo independent development |
| Sexual reproduction | Male and Female gametes fuse to form a zygote. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| In sexual reproduction, male and female exchange their gametes through sexual intercourse | When male gametes are released inside female body, if ova and sperm fuses, fertilization occurs and zygote is formed. |
Real life uses :
Reproduction taking place in humans is a sexual reproduction.
Places to visit :
Biology lab.
Practical examples around us
| Examples | Explainations |
|---|
What you learn in Theory:
Different types of reproduction
What you learn in Practice:
How and why humans reproduce sexually and bacteria asexually.