Ontology highlight
ABSTRACT:
SUBMITTER: Pagel M
PROVIDER: S-EPMC8891346 | biostudies-literature | 2022 Mar
REPOSITORIES: biostudies-literature
Pagel Mark M O'Donovan Ciara C Meade Andrew A
Nature communications 20220302 1
Macroevolution posed difficulties for Darwin and later theorists because species' phenotypes frequently change abruptly, or experience long periods of stasis, both counter to the theory of incremental change or gradualism. We introduce a statistical model that accommodates this uneven evolutionary landscape by estimating two kinds of historical change: directional changes that shift the mean phenotype along the branches of a phylogenetic tree, and evolvability changes that alter a clade's abilit ...[more]