biodiversity Flashcards
(8 cards)
1
Q
What is biodiversity?
A
Number and variety of living organisms in a particular area
2
Q
What is species richness?
A
Measure of the number of different species in a community
3
Q
What is the index of diversity?
A
Number of different species and number of individuals of each species in an area
4
Q
Why can index of diversity be better than species richness?
A
Doesn’t tell enough about differences between two habitats
5
Q
What is the formula for index of diversity?
A
d = N(N-1) / ∑n(n-1)
6
Q
What is d?
A
Species diversity
7
Q
What is N?
A
Total number of organisms of all species
8
Q
What is n?
A
Total number of organisms of each species