1.   Over the millennia, creatures which live in the specialized conditions of rivers have evolved by adapting to these conditions.

2.   They evolve by changing the attitudes, accessibility and availability of the said sport.

3.   It would to find altruism in the way we could find but social cooperation or self-sacrifice or altruism could evolve by natural selection.

4.   The implication is that it is somehow self-evident that anything so wonderful as this could not possibly have evolved by natural selection.

5.   The two clusters evolved by duplication of an ancestral gene cluster before the divergence of the human and great ape lineages.

6.   For Wills, that character had evolved by a kind of natural selection, our presidents arising as embodiments of the myth and mettle that sustain us.

7.   If life evolves only by a series of random events, there is no role for God as an active creator.

8.   It evolves by putting a range of parameters through a series of mutations until it maximizes profit.

9.   The APA does not require that all the specific applications of a rule evolve by further, more precise rules rather than by adjudication.