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Justify why the survival rate of offspri...

Justify why the survival rate of offsprings in sexual reproduction is high ?

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Sexual reproduction involves the fusion of the male and the female gametes which leads to variations.
The variations allow the individuals to adapt under varied environmental conditions for better chances of survival.
It is not always necessary that the offspring produced due to sexual reproduction has better chances of survival.
Under some circumstances, asexual reproduction is more advantageous for certain organisms. For example, some individuals do not move from one place to another and are well settled in their environment.
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KUMAR PRAKASHAN-REPRODUCTION IN ORGANISMS-SECTION - D TEXTUAL EXERCISE
  1. Why is reproduction essential for organisms ? Describe its types.

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  2. Which is a better mode of reproduction : sexual or asexual ? Why ?

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  3. Why is the offspring formed by asexual reproduction referred to as a c...

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  4. Justify why the survival rate of offsprings in sexual reproduction is ...

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  5. How does the progeny formed from asexual reproduction differ from thos...

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  6. Why vegetative reproduction is also considered as a type of asexual re...

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  7. What is vegetative propagation ? Give two suitable examples.

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  8. Explain Reproductive phase

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  9. Higher organisms have resorted to sexual reproduction in spite of thei...

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  10. Explain why meiosis and gametogenesis are always interlinked ?

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  11. Identify each part in a flowering plant and write whether it is haploi...

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  12. Define external fertilisation. Mention its disadvantages.

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  13. Differentiate between a zoospore and a zygote.

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  14. Differentiate between gametogenesis from embryogenesis.

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  15. Describe the post - fertilisation changes in a flower.

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  16. What is a bisexual flower ? Collect five bisexual flowers from your ne...

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  17. Examine a few flowers of any cucurbit plant and try to identify the st...

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  18. Why are offspring of oviparous animals at a greater risk as compared t...

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