Differentiate between (a) oestrus and menstru | vedclass

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(N/A) Differences between oestrus and menstrual cycles:      Oestrus Cycle    Menstrual Cycle        $(1)$ Occurs in non-primates like cows,dogs,and r

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(N/A) Differences between oestrus and menstrual cycles:

Oestrus Cycle	Menstrual Cycle
$(1)$ Occurs in non-primates like cows,dogs,and rats.	$(1)$ Occurs in primates like monkeys,apes,and humans.
$(2)$ Characterized by a short period of heat or oestrus.	$(2)$ Characterized by a menstrual phase involving bleeding.
$(3)$ The endometrium is reabsorbed if fertilization does not occur.	$(3)$ The endometrium is shed and expelled through the vagina.

Differences between ovipary and vivipary:

Ovipary	Vivipary
$(1)$ Organisms lay fertilized or unfertilized eggs.	$(1)$ Organisms give birth to young ones.
$(2)$ Development of the embryo occurs outside the female body.	$(2)$ Development of the embryo occurs inside the female body.
$(3)$ Example: Birds,Reptiles.	$(3)$ Example: Mammals (except monotremes).

Column-$I$	Column-$II$
$(a)$ Parturition	$(p)$ Attachment of embryo to endometrium
$(b)$ Gestation	$(q)$ Release of egg from Graafian follicle
$(c)$ Ovulation	$(r)$ Delivery of Foetus from uterus
$(d)$ Implantation	$(s)$ Duration between pregnancy and birth
	$(t)$ Formation of zygote by fusion of egg and sperm

Differentiate between $(a)$ oestrus and menstrual cycles; $(b)$ ovipary and vivipary. Give an example for each type.

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