The frogs are the amphibian organisms, which are capable of survival both in water as well as land. In frogs external fertilization is used as a mode of sexual reproduction. The females lay their eggs in water in the same time the males also secrete their sperms in the water. The eggs are fertilized by the sperms in water. For reproduction the frogs are dependent on water. But with the evolution of frogs, which allows them to fertilize the eggs on the land. The frogs can live away from water.
The climate of a biome determines its importance as the biomes are formed as a cause and consequence of the climatic factors and hence the plant growth is affected by this and depends on the climatic types hence the Koppen classification is based on the different climatic zones the relationship among the plantains.
An example of the Mediterranean climate i.e Cs chappal biome. Has and extremely dry summers and plants are adapted to the extreme season of the variation in the temperatures and the rainfall patterns.
I might be concerned about the milk because it has been modified, but If the cow is completely healthy, than the milk should be fine, too. My only concerns would be if the genetic modifying might effect the milk in a strange way.
