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General Biology: Evolution and Related Concepts

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Termini in questo insieme (16)

  • Strata

    Strata are layers of sedimentary rock that provide a historical record of Earth's past environments and life forms.

  • Uniformitarianism

    Uniformitarianism is the principle that geological processes occurring today have operated similarly throughout Earth's history.

  • Fossil

    A fossil is the preserved remains or traces of ancient organisms found in strata.

  • Natural selection

    Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

  • Evolution

    Evolution is the change in the heritable traits of biological populations over successive generations.

  • Homologous structures

    Homologous structures are anatomical features in different species that share a common ancestry but may have different functions.

  • Comparative embryology

    Comparative embryology studies similarities and differences in the embryos of different species to understand evolutionary relationships.

  • Vestigial structures

    Vestigial structures are anatomical features that have lost their original function through evolution.

  • Endemic

    Endemic species are those native to and restricted to a specific geographic area.

  • Pangaea

    Pangaea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras before breaking apart into current continents.

  • Wallace

    Wallace was a naturalist who independently conceived the theory of evolution by natural selection alongside Darwin.

  • Biogeography

    Biogeography is the study of the geographic distribution of species and ecosystems over time.

  • Artificial selection

    Artificial selection is the human-directed breeding of organisms to produce desired traits.

  • Analogy vs Homology

    Analogy refers to similar traits due to convergent evolution, while homology refers to traits inherited from a common ancestor.

  • Embryonic homologies

    Embryonic homologies are similarities in early developmental stages among different species indicating common ancestry.

  • Molecular and structural homologies

    Molecular homologies involve similarities in DNA or protein sequences; structural homologies involve anatomical similarities from common descent.