BIODIVERSITY Flashcards
Biodiversity
Number of species and the number of indiciduals of each of the species within any community
Species richness
Number of different spevies in community
Community
All the individuals of all species living together in the swme area at the same time
Genetic diversity
Difference in DNA base sequence
Niche
Organisms role in a comuunity
Habitat
Place where an organisms lives within an ecosystem
Population
Number of individals of one species in community
Diversity idex formula
N(N-1)/£n(n-1)
Advatnage of index diversity
Dont need to identify each species
Suggest economic argument for maintaining biodiversity 4 marks
Medical uses
Tourism
commercial products
Agriculture
Farming effect on biodiversity
Reduces variety if food soruce and habitats
Modern classification metods
DNA
Sequence of bases/nucleotides
Comparing mitochondria DNA
sequence of amino acids
Courtship behavior
Attracts same species
Attracts opposite set
Interaction of sexual maturity
Stimulates release kf gametes
Form pair bond