In which organisms is growth observed only up to a certain age?

Which of the following represents the correct meaning of Biology?

How do living organisms adapt to their environment?

Statement $X$: To define a living organism,focus is placed on the specific characteristics of living beings.
Statement $Y$: Reproduction,growth,development,consciousness towards the environment,adaptation,and death are the unique characteristics of living organisms.

Select the correct option from the following:

$X$ - Mountains,boulders and sand mounds do grow even they are non-living.
$Y$ - Growth is a character of only non-living.