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Words related to ancestral

an·ces·tral
A a

  • panda

    Also called giant panda. a white-and-black, bearlike mammal, Ailuropoda melanoleuca, now rare and restricted to forest areas of central China containing stands of bamboo, on which it mainly subsists: formerly placed with the raccoon family but now classified as a bear subfamily, Ailuropodinae, or as the sole member of a separate family, Ailuropodidae, which diverged from an ancestral bear lineage.

  • adaptive radiation

    evolution of a number of divergent species from a common ancestor, each species becoming adapted to occupy a different environment. This type of evolution occurred in the Tertiary manuals and the Mesozoic reptiles

  • autopolyploid

    (of cells, organisms, etc) having more than two sets of haploid chromosomes inherited from a single species

  • branchial groove

    one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill-breathing ancestral forms.

  • cladogenesis

    adaptive evolution leading to a greater variety of species

  • cladogram

    a treelike diagram illustrating the development of a clade
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