... This was genetically passed on through generations. This was passed through genes. The ancestors were immune, therefore, they are also immune.
I think the third one not sure
Animals that reproduce by laying eggs are called oviparous animals. In these animals, the process of both fertilization and embryo development does not occur inside the mother. Birds and frogs are examples of oviparous animals.
Answer:
Evaporation, Condensation, Precipitation and Collection
Explanation:
I just referred to water cycle on the internet.