Give two differences between a zygote and a foetus.
|
Zygote |
Foetus |
|
1. It contains only one cell. 2. It is formed by the fusion of ovum and sperm. |
1. It contains many cells. 2. It is formed by repeated divisions of zygote. |
What is metamorphosis? Give examples.
In which female reproductive organ does the embryo get embedded?
Define asexual reproduction. Describe the two methods of asexual reproduction in animals.
Differentiate between internal fertilization and external fertilization.
