In which female animal, oestrus cycle does not occur? (A) Cow (B) Do

1.	In which female animal, oestrus cycle does not occur? (A) Cow (B) Dog (C) Humans (D) Rabbit
Answer» Correct Answer is: (C) Humans One difference is that animals that have estrous cycles resorb the endometrium if conception does not occur during that cycle. Animals that have menstrual cycles shed the endometrium through menstruation instead. Another difference is sexual activity. Humans have menstrual cycles rather than estrous cycles.

In which female animal, oestrus cycle does not occur? (A) Cow (B) Dog (C) Humans (D) Rabbit

Answer»

Correct Answer is: (C) Humans

One difference is that animals that have estrous cycles resorb the endometrium if conception does not occur during that cycle.

Animals that have menstrual cycles shed the endometrium through menstruation instead. Another difference is sexual activity.

Humans have menstrual cycles rather than estrous cycles.