viviparous
Related Words
oviparousovoviviparousmammalplacentagestationwombuterusbirthoffspringembryofetusneonatepregnancylactationmammalianeutherianmetatherianmonotremereproductionbiologyzoologyembryologydevelopmentgrowthnutrientumbilicalcordamnioteamnioticfluidsacprocreationspeciesgenusfamilyorderclassvertebratechordateevolutionadaptationsurvivalparentalcarenurturematurationorganismanatomyphysiologyhormoneestrogenprogesteroneoxytocinovulationfertilizationzygoteblastocystimplantationgestatedeliverparturitionneonataleggshellyolkincubationhatchingclutchbroodlittermarsupialpouchplacental