Class X Chapter 8 – How do Organisms Reproduce Science
Answer: Living organisms reproduce for the continuation of a particular species. It helps in providing stability to the population of species by producing a new individual that resembles the parents. This is the reason why cats give birth to only cats or dogs give birth to only dogs. Therefore, reproduction provides stability to populations of dogs or cats or any other species. Question 11: What could be the reasons for adopting contraceptive methods? Answer: Contraceptive methods are mainly adopted because of the following reasons:( i) To prevent unwanted pregnancies.( ii) To control population rise or birth rate.( iii) To prevent the transfer of sexually transmitted diseases.
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