Multiple choice

The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. What is this process called in non-primate mammals?

  1. Menstrual cycle

  2. Cell cycle

  3. Oestrus cycle

  4. Menarche

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The cyclical changes during the reproductive phase in non-primates, such as cows, dogs, etc. is known as oestrus cycle.