English vocabulary

Overview of the process of sexual reproduction.
Diagram of human sexual reproduction

To learn more : https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-types-of-reproduction/a/hs-types-of-reproduction-review

Diagram of vegetal sexual reproduction

To learn more : http://myscienceschool.org/index.php?/archives/1495-How-do-plants-reproduce.html

Oviparous are the animals which lay fertilized or an unfertilized egg.Viviparous are the animals which give birth to the young ones, and their development occurs inside the female body (mother’s womb).
Lay/Give birthOviparous are known to lay eggs, which can be fertilized or unfertilized.Viviparous animals directly give birth to the young ones.
Type of fertilization

It can be internal or external fertilization.It is internal fertilization.
Development of zygote
The development of the embryo takes place outside the embryo.The development of the embryo takes place inside the embryo.
Nutrients to the developing embryo
The embryo receives the nutrients from the egg yolk.The embryo receives the nutrients from the mother.
Survival chances

Less chances of survival, as the eggs are laid in an open environment.More chances of survival, as proper protection and nutrition, is provided to the embryo inside the mother’s womb.

Insects, amphibians, fish, reptiles, birds.

Mammals like cats, dogs, humans, elephants, lions, tigers, etc.

To learn more : https://biodifferences.com/difference-between-oviparous-and-viviparous-animals.html

Bee Pollinating a flower.  This diagram shows a simple version on how the process  works.
Diagram of pollination

To learn more : https://www.davids-garden-seeds-and-products.com/pollinating-plants.html