Ovipary, Ovovivipary, and Vivipary (Grade 12 NSC Matric Life Sciences): Flashcards
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Ovipary
Ovipary
Eggs develop outside mother's body
Ovovivipary
Ovovivipary
Eggs retained inside mother, born live
Vivipary
Vivipary
Embryo develops inside mother with placental nutrition
Nutrition source in oviparous embryos
Nutrition source in oviparous embryos
Yolk stored in egg
Nutrition source in ovoviviparous embryos
Nutrition source in ovoviviparous embryos
Yolk within egg
Nutrition source in viviparous embryos
Nutrition source in viviparous embryos
Direct maternal nutrition through placenta
Fertilisation type in ovovivipary and vivipary
Fertilisation type in ovovivipary and vivipary
Internal fertilisation
Do viviparous animals produce eggs?
Do viviparous animals produce eggs?
No traditional eggs
Where do oviparous embryos develop?
Where do oviparous embryos develop?
Outside mother's body
Order of increasing parental investment
Order of increasing parental investment
Ovipary → ovovivipary → vivipary