CBSE Class 8 - Fertilisation Videos

• difference between fertilisation and reproduction
• what do you mean by metamorphosis in frog with diagram
• what do you mean by metamorphosis in frog with diagram
• explain what is foetus
• Frog cycle
• what is foetus
• what are viviparous?
• what is means of fertilisation  
• the fusion of ovum and sperm is called
• what is embryo

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