English contemporary dictionary. 2014.
Exoskeleton — The discarded exoskeleton of a dragonfly nymph An exoskeleton is the external skeleton that supports and protects an animal s body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. In popular usage, some of the larger … Wikipedia
Codelco — Type Government owned Industry Mining Founded (1955) Headquarters … Wikipedia
Materpiscis — Temporal range: Late Devonian 3D model of Materpiscis Scientific classification Kingdom … Wikipedia
Cambrian substrate revolution — The Cambrian substrate revolution cite journal | author=Bottjer, D.J., Hagadorn, J.W., and Dornbos, S.Q. | title=The Cambrian substrate revolution | journal= | volume=10 | date=2000 | url=http://www.amherst.edu/ jwhagadorn/publications/CSR.pdf |… … Wikipedia
Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… … Wikipedia
Cambrian — For other uses, see Cambrian (disambiguation). Cambrian Period 542–488.3 million years ago … Wikipedia
Paleontology — Palaeontology redirects here. For the scientific journal, see Palaeontology (journal). Paleontology studies the entire history of life on Earth. Paleontology (pronounced /ˌpælɪɒnˈtɒlədʒi/; British: palaeontology; from Greek: παλαιός… … Wikipedia
Cephalopod — Cephalopods Temporal range: Devonian – Recent[1] (Stem groups from Cambrian)[2] … Wikipedia
Calcite — A one inch Calcite Rhomb that shows the Double image refraction property. General Category Carbonate mineral … Wikipedia
Pentlandite — Infobox mineral name = Pentlandite boxwidth = caption = formula = iron nickel sulfide:(Fe,Ni)9S8 color = Yellowish bronze habit = Hexoctahedral rare; massive to granular system = Isometric cleavage = absent octahedral parting fracture =… … Wikipedia
