There are indeed examples of apostles and prophets being against evolution but there are other positive examples as well.
For example, after the 1909 statement, which does not preclude evolution between, BH Roberts and James E Talmadge would compete and debate against the younger Joseph Fielding Smith in favor of evolution, specifically the notion of preAdamites. This all came to a head in 1931 when the presidency of Heber J Grant took on the issues and ended up releasing a statement of neutrality on the issue which reads in part:
Thanks for that.
But the Church has moderated it's position quite a bit since then. For example, the famous ETB quote about the Book of Mormon combating heresies such as evolution has been cut down to remove evolution form the list. The Church republished the 1909 statement in 2002 iirc which does not preclude evolution. And, if you read the transcript, here is Russel M Nelson recently being corrected by his junior companion on the issue of evolution: