All octopus are oviparous - they lay eggs like all mollusks.
No placenta in viviparous and oviparous but there is placenta in ovoviviparity
VIVIPAROUS
Viviparous
Viviparous
oviparous
oviparous
Cockroach are three types in reproduction - oviparous, viviparous and ovoviviparous. Most cockroach are oviparous.
viviparous
Pandas are viviparous.
Oviparous animals are
Ants are oviparous but can become viviparous depending on the surrounding temperatures in which it lives. If they are sheltered from the wind they can become viviparous.