Def(evolution)
change over time
descent with modification from common ancestor
the word for
“the course of evolution from past to present”
phylogeny
the word for “a graphical representation of the course of evolution from past to present”
phylogenetic tree
2 data source
morphology, DNA
4 methods
parsimony, maximum likelihood, distance, Bayesian methodology
the word for “the tree possessing the minimum number of evolutionary steps is the best tree”
parsimony
the word for “shared derived characters”
synapomorphies
the word for “derived not shared charactistics”
autopomorphy
shared not derived characteristics
symplesiomorphy
趋同演化的英文&简单描述
homoplasy/ convergent evolution
两类在亲缘关系上很远的生物,因为长期处于相似的生活环境而演化出相似的特征