Answer:
In the mentioned case, Trevor's village requires more farmland in order to grow food for their developing inhabitants, however, they also require land for houses development. It is clear that the village is encountering with a lack of natural resources, and in the given case, natural resources are land that is needed for both construction and development of farmland purpose. The village may be having ample amount of population, this is due to which Trevor is facing an issue of a lack of land.
Yes it is possible but the environment and how their musical abilities are shaped plays an important role too. So its no necessary that the child will definitely have the ability