English dictionary. 2014.
species barrier — UK US noun [singular] the natural system that prevents diseases spreading from one type of animal or plant to another. This is often referred to in relation to bse (=a disease of cows) spreading to humans in the form of cjd (=a brain disease in… … Useful english dictionary
species barrier — species ,barrier noun singular the natural system that prevents diseases spreading from one type of animal or plant to another. This is often referred to in relation to BSE (=a disease of cows) spreading to humans in the form of CJD (=a brain… … Usage of the words and phrases in modern English
Barrier skink — Conservation status Least Concern (IUCN 2.3) Scientific classification Kingdom … Wikipedia
Barrier Reef Anemonefish — Taxobox name = Barrier Reef Anemonefish status = regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes familia = Pomacentridae subfamilia = Amphiprioninae genus = Amphiprion species = A. akindynos binomial = Amphiprion… … Wikipedia
Species — In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is … Wikipedia
barrier reefs — Coral Cor al, n. [Of. coral, F, corail, L. corallum, coralium, fr. Gr. kora llion.] 1. (Zo[ o]l.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa. [1913 Webster] Note: The… … The Collaborative International Dictionary of English
barrier — noun Etymology: Middle English barrere, from Anglo French, from barre bar Date: 14th century 1. a. something material that blocks or is intended to block passage < highway barriers > < a … New Collegiate Dictionary
Great Barrier Reef — The Great Barrier Reef * UNESCO World Heritage Site … Wikipedia
Environmental threats to the Great Barrier Reef — The Great Barrier Reef is the world s largest coral reef system,cite web|author=UNEP World Conservation Monitoring Centre |year=1980|title=Protected Areas and World Heritage Great Barrier Reef World Heritage Area|url=http://sea.unep… … Wikipedia
Mexico–United States barrier — Fence barrier on the international bridge near McAllen, TX … Wikipedia
