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Animal Life - Reproduction in Animals - Animation Video Lecture - Class 8

FAQs on Animal Life - Reproduction in Animals - Animation Video Lecture - Class 8

1. What is reproduction in animals?
Ans. Reproduction in animals refers to the biological process through which new individuals of the same species are produced. It involves the transfer of genetic material from parent organisms to their offspring, ensuring the continuity of the species.
2. What are the different modes of reproduction in animals?
Ans. Animals can reproduce through two main modes: sexual reproduction and asexual reproduction. Sexual reproduction involves the fusion of male and female gametes, resulting in the formation of offspring with genetic variation. Asexual reproduction, on the other hand, does not involve the fusion of gametes and results in offspring that are genetically identical to the parent organism.
3. How do animals reproduce sexually?
Ans. Sexual reproduction in animals involves the mating of male and female individuals. The male produces sperm cells, while the female produces egg cells. During mating, the sperm is transferred to the female's body, where it fertilizes the egg, forming a zygote. The zygote then develops into an embryo, which eventually grows into a new individual.
4. What are the advantages of sexual reproduction in animals?
Ans. Sexual reproduction offers several advantages to animals. Firstly, it leads to genetic variation among offspring, which allows for adaptation to changing environments. This genetic diversity increases the chances of survival and evolution of the species. Additionally, sexual reproduction facilitates the repair of damaged DNA and helps eliminate harmful mutations from the population.
5. Give an example of asexual reproduction in animals.
Ans. One example of asexual reproduction in animals is budding. In this process, a small outgrowth or bud forms on the parent organism. This bud then develops into a new individual that eventually detaches from the parent and becomes independent. This form of reproduction is observed in organisms such as hydra, yeast, and some types of jellyfish.
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