The cyclic period of sexual activity in non-human female mammals is called
Menstruation
Luteinization
Oogenesis
Estrous
The seminal vesicle or uterus masculinus in rabbit is found at the junction of
Which of the following labelled parts produces energy for the movement of the tail that facilitate sperm motility essential for fertilisation?
What is true about cells during cleavage
Telolecithal eggs have
In the first phase of gastrulation of amphibians there occurs the separation of