John has been raising small lizards for quite some time and has noticed that lately,the newborn lizards have much longer legs than the previous ones.This is most likely an example of

A) natural selection.
B) epigenetics.
C) behavior genetics.
D) self-regulation.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, driving the evolution of species.

Behavior Genetics

A domain of inquiry that explores the interplay between genetics and the environment in determining behavior.

Self-Regulation

The process by which individuals control their behavior, emotions, and thoughts towards achieving long-term goals.