10.2 Flashcards
What is biodiversity? (1)
variety in the living world
Define genetic diversity. (2)
(1) the variety of genes…
(2) possessed by the individuals that make up a species
Define species diversity. (2)
(1) the number of different species…
(2) and the number of individuals I’m each species in a specific area
Define ecosystem diversity. (1)
(1) the range of different habitats within a particular area
What are the 2 aspects needed to measure species diversity? (2)
(1) species richness
(2) abundance per species
“Explain why it’s more useful to calculate a species diversity index than just to record the number of species present.” (2)
(1) it measures both the number of species and the number of individuals
(2) so it takes into account the species that are present in small numbers