Last seen: May 7, 2021
Dolly led a normal life and produced babies of her own through sexual means.
Dolly was born on 5th July 1996 and died on 14th February 2003.
Organisms bearing both male and female sex organs on the same body are known as hermaphrodite animals. Example, pea plant, earthworms.
1. Eggs → Larva → Pupa → Adult 2. Zygote → Larvae → Caterpillar → Cocoon → Adult.
The egg is very small in humans, much larger in hens and the largest in ostrich.
Viviparous Animals: (a) The animals which give birth to young ones. (b) E.g., dog, cow, cat. Oviparous Animals: (a) The animals which lay eggs...
Diagram to show fertilisation in humans. 2s.png
Only one sperm fuses with the egg.
Ovaries produce female gametes called ova. In human beings, a single mature egg is released every month.
Millions of sperms are produced by the testis. The sperms move in oviduct with the help of tail.
Sexual Reproduction: (a) Reproduction which takes place by the fusion of male and female gametes. (b) Takes place in humans, cow. Asexual Reprod...
Reproduction is essential for the survival of organisms. It ensures the continuation of similar kinds of individuals, generation after generation.
Internal Fertilisation: (a) Fertilisation that takes place inside the female body. (b) Takes place in humans, cows, hens and dogs. External Fert...
The drastic change which takes place during the development of an animal is called metamorphosis. Silkworm and frog undergo metamorphosis.
During the life span, all animals reproduce to produce off springs. So, even after they die, the species survives.
Amoeba reproduces by binary fission.
Budding is the type of asexual reproduction in which new individuals develop from the buds.
No, in humans the body parts similar to the adults are present from the time of the birth.
Oviparous animals.
Viviparous animals.