in anatomical structure prehistoric man shows close affinity with modern humans
Useful english dictionary. 2012.
Phylogenetic comparative methods — When applied to comparative data, conventional statistical methods assume, in effect, that all species are completely unrelated. As if they descended from a big bang of special creation. Such a scenario can be depicted as a star phylogeny (left) … Wikipedia
family relationship — noun (anthropology) relatedness or connection by blood or marriage or adoption • Syn: ↑kinship, ↑relationship • Derivationally related forms: ↑relation (for: ↑relationship), ↑kin … Useful english dictionary
Trachyteuthis hastiformis — Taxobox fossil range = Jurassic name = Trachyteuthis hastiformis image caption = Restoration of Trachyteuthis hastiformis . regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Coleoidea superordo = Octopodiformes ordo =… … Wikipedia
biological science — noun the science that studies living organisms • Syn: ↑biology • Derivationally related forms: ↑biologic (for: ↑biology), ↑biological (for: ↑biology), ↑ … Useful english dictionary
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
Paraphyly — A cladogram showing a hypothetical descent from an ancestor species of the clade vertebrata.[1] Note that cladograms do not necessarily correspond to taxonomic classifications. In this one, Sauropsida are a paraphyletic group. It can be made… … Wikipedia
Archaea — Archea redirects here. For the geologic eon, see Archean. For the spider family, see Archaeidae. Archaea Temporal range: Paleoarchean – Recent Halobacteria sp. strain NRC 1, each cell about 5 μm long … Wikipedia
Embryo drawing — refers to any representation of the illustration of embryos in their developmental sequence. In plants and animals, an embryo develops from a zygote, the single cell that results when an egg and sperm fuse during fertilization. In animals, the… … Wikipedia
Homology (biology) — For use of the term homologous in reference to chromosomes, see Homologous chromosomes. The principle of homology: The biological derivation relationship (shown by colors) of the various bones in the forelimbs of four vertebrates is known as… … Wikipedia
