snakes

[rotciv]

differentiate this three words oviparous, viviporous and oviviporous. (may also assist me spelings)

[heathfield]

Oviparous = Egg-laying.
Viviparous = Live births.
Ovoviviparous = Birth from a egg kept within the mother's body until, or till just before, it hatches. Here, the embryo feeds from an egg yolk rather than through an umbilical cord.