Biology
Fill in the blanks:
The time period between fertilization and birth is called _________.
Related Questions
Fill in the blanks:
_________ fluid acts like a cushion and protects the developing foetus in the uterus.
Fill in the blanks:
From the third week of development till the end of the second month, the developing organism is referred to as the _________.
External fertilization occurs mostly in
- human beings
- frogs
- snake
- birds
Sperms are produced by
- urethra
- ureter
- testes
- ovaries