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CyfarthfaB2Biodivers

QuestionAnswer
Definition of biodiversity Variety of living things in an area
Metre squared frame used to sample organisms Quadrat
An average of 10 daisies are found in a quadrat in a 75m2 field, estimate the number of daisies in the whole field 750
Resonance for throwing quadrat at random Avoids bias
Reason for using quadrat numerous times during sample Improve reliability by calculating average
Equipment uses to sample how numbers of an organism changes from one part of an ecosystem to another Transect
Ways to conserve endangered species Captive breeding, nature reserves, laws banning trade in animal products eg ivory, restricted access to breeding areas,
Reasons for habitat destruction Clearing land for agriculture/building, natural resources will. Eg wood, landfill,
Created by: MissRParry
 

 



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