Important Terms

evolution

anagenesis

cladogenesis

neutral-mutation hypothesis

balance hypothesis

species

biological species concept

reproductive isolating mechanism

prezygotic reproductive isolating mechanism

ecological isolation

behavioral isolation

temporal isolation

mechanical isolation

gametic isolation

postzygotic reproductive isolating mechanism

hybrid inviability

hybrid sterility

hybrid breakdown

speciation

allopatric speciation

sympatric speciation

phylogeny

phylogenetic tree

node

branch

rooted tree

gene tree

molecular clock

exon shuffling

multigene family