The initial notion is that if we observe something moving, it is considered alive.

Apart from population size, the paragraph suggests that addressing inequality in society is crucial for improving living standards. If inequality is the main reason for poor living conditions, the size of the population becomes relatively unimportant in the context of ...

No, population size alone is not the only determinant of living standards. Inequality within society plays a crucial role. Even in a smaller population, if there is significant inequality, many people may still experience poor living standards.

The primary concern with an expanding human population is that it makes it more challenging to improve everyone’s standard of living.

An expanding population makes it harder to improve everybody’s standard of living. The challenges associated with addressing the needs of a growing population and emphasizes the importance of considering social and economic factors in addition to population size.