. Explain the importance of reproduction in organisms.
. Describe the process of fertilization in human beings.
Answers
1 - Reproduction is an important characteristic feature of living organisms. It is an essential life process which not only helps in survival but also helps in continuity of that race and group immortality, as by reproduction. Young ones replace the old and dying ones.
These young ones feed, grow and reproduce again. Reproduction also helps in increasing the population of the species. Reproduction acts as a vehicle of organic evolution by transmitting advantageous variations to the offspring.
2 - There is a sexual reproduction in human beings . male reproductive organs produce sperm while the female reproductive organs produce ova . The sperm are enjected inside female bodies where they fuse with ovum and forms zygotes .The single called zygotes beings to develop into an embryo which attaches to the female uterus wall. the embryo further multiples into many cells and develops further into a small baby called foetus.