selection Flashcards
1
Q
what is directional selection
A
selection that favours indivduals that vary ion one direction from the mean of the population - will change the characteristics of the population
2
Q
what is stabilising selection
A
selection will favour the average individual - preserves the characteristics of the population
3
Q
what is the purpose of courtship behaviour
A
- recognsie partners of their own species
- identify a mate that is capable of breeding
4
Q
de4fine phylogeny
A
evolutionary relationships between organisms
5
Q
define species diversity
A
the number of different species and number of individuals of each species within a community
6
Q
define biodiversity
A
the variety and number of living organisms in a particular area
7
Q
define species richness
A
the number of different species in a particular area at a given time
8
Q
define ecosystem diversity
A
the range of different habitats.
