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Higher organisms have resorted to sexual...

Higher organisms have resorted to sexual reproduction inspite of its complexity, why?

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Higher organisms have resorted to sexual reproduction inspite of its complexity because sexual reproduction induces genetic variability (adaptations) for the survival of the race and for better adaptation of the existing environmental conditions.
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SUBHASH PUBLICATION-REPRODUCTION -TWO MARK QUESTIONS AND ANSWERS
  1. Which is a better mode of reproduction:- sexual or asexual? Why?

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  2. Offsprings formed due to sexual reproduction have better chances of su...

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

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  4. Distinguish between asexual and sexual reproduction. Why is vegetative...

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

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  6. Higher organisms have resorted to sexual reproduction inspite of its c...

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  7. Explain why meiosis and gametogenesis are always interlinked?

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  8. Define external fertilization. Mention its disadvantages.

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  9. Differentiate between gametogenesis from embryogenesis.

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  10. Briefly describe the post fertillization changes in a flower.

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  11. Different between a stamina and a pistillate flower, Give the term for...

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  12. Explain parthenogenesis with examples.

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  13. What is fission? Name the types of fission.

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  14. Differentiate between the following:

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  15. Differentiate between a zoospore and zygote.

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  16. Define 'oestrus' and 'menstrual cycles.

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  17. Mention the different stages of sexual reproduction.

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  18. Differentiate between oviparous and viviparous animals with a suitable...

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  19. What is asexual reproduction? Mention the type of asexual reproduction...

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  20. Differentiate between seasonal breeders and continuous breeders.

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