According to the r/K selection theory, an r-selected species has which of the following characteristics?
A - It is best suited to live in an unstable environment, it is short-lived, and produces a large number of offspring, each of which receives little parental investment.
B - It is best suited to live in a stable environment, it is short-lived, and produces a large number of offspring, each of which receives little parental investment.
C - It is best suited to live in a stable environment, it is long-lived, and produces a small number of offspring, each of which receives a lot of parental investment.
D - It is best suited to live in an unstable environment, it is short-lived, and produces a large number of offspring, each of which receives a lot of parental investment.