Reproduction in Animals Full Chapter Class 8 Science | NCERT Science Class 8 Chapter 9
Magnet Brains・2 minutes read
Animals reproduce through sexual and asexual methods, with sexual reproduction involving male and female reproductive parts leading to offspring formation, while asexual reproduction only requires a single parent. Fertilization occurs when male and female gametes fuse, and the process is vital for gene transmission and species continuity.
Insights
- Sexual reproduction involves the fusion of male and female reproductive cells, leading to the creation of a zygote that develops into a new individual, showcasing the importance of genetic diversity and the continuation of species.
- The process of metamorphosis, as seen in frogs, demonstrates significant physical changes from birth to adulthood, highlighting the diverse methods of reproduction and development between viviparous and oviparous animals, emphasizing the complexity and adaptability of life cycles.
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Recent questions
What are the two main types of reproduction in animals?
Sexual and asexual reproduction
How does fertilization occur in animals?
Sperm meets ovum to form a zygote
What is the significance of metamorphosis in animals?
Significant changes from juvenile to adult stage
How do unicellular organisms like Amoeba reproduce?
By dividing nucleus into two parts
What is the role of reproduction in preventing species extinction?
Ensures gene transmission for species continuity
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