What is the process by which a species becomes better suited in its environment?

Dominance the dominant allele doesn’t fully mask or hide the recessive. for example, a red carnation with a white carnation will produce a carnation. one gene one trait. well most of the time than one gene controls a trait. we are all different but genetically speaking we are % similar with regards to genetic makeup.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

How does secondary succession differ from primary succession?