3.3 Biodiversity Flashcards
Define species richness
the number of different species in an area
A _____________ _________ is an areas with high levels of biodiversity
A BIODIVERSITY HOTSPOT is an area with high levels of biodiversity
key term linked referring to the relative number of species in an area
RELATIVE SPECIES ABUNDANCE-the relative number of species in an area
Diversity index= insert formula
D= N(n-1)\sum of N(n-1)
D-biodiversity index
N=total number of organisms
n=total number of organisms of each individual species
________ diversity index leads to a higher biodiversity
HIGHER diversity index leads to a higher biodiversity
What types of effects can mutations have
Advantageous = increases frequency
Disadvantages= natural selection may remove from general or be retained
Neutral= no effect
Define genetic diversity
Genetic diversity is a measure of the level of difference in the genetic make-up of a population