Selectionism is a theory that explains the process of natural selection.

The selectionist theory suggests that certain traits are favored and passed on through natural selection.

She is a prominent selectionist in the field of evolutionary biology.

Selective eating disorder is a condition where a person has a limited range of foods they are willing to eat.

He is known for his selectionistic approach to problem-solving.

Selectionisms are prevalent in the field of psychology.

The selectionists presented their research findings at the conference.

Her selectedness for the position was evident in her qualifications and experience.

R-selection is a reproductive strategy in which organisms produce a large number of offspring with little parental care.

K-selection is a reproductive strategy in which organisms produce a small number of offspring with a high investment of parental care.