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Biodiversitet

Et fænomen, som bestemmer niveauet for organismers mangfoldighed som lever på jorden. Det refererer ikke kun til mangfoldigheden af gener, men også til forskellige arter eller økosystemer.

En af måderne til bestemmelse af biodiversitet er at studere overflod af udvalgte arter i en bestemt lokalisering (fx ved vi, at i koralrevene i det nordlige Australien lever mere end 500 fiskearter) eller bestemme virkningen af klimatiske forhold på bestanden (f.eks. arktisk tundra bor færre arter end i den tropiske skov).

 

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