Examlex
________ theory suggests that when people cannot reach personal goals, they will direct their anger toward a scapegoat.
Phylogenetic Species Concept
A definition of species emphasizing the smallest group of individuals that share a common ancestor and thus form one branch on the tree of life.
Metapopulations
A group of spatially separated populations of the same species which interact at some level, often considered in conservation biology and disease dynamics.
Lineages
Sequences of species that have evolved from a common ancestor, depicted in family trees showing evolutionary relationships.
Extrinsic Postzygotic Isolation
A reproductive barrier where offspring of two different species are viable and fertile, but external factors prevent them from thriving.
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