definitions biodiversity pack 7

Question 1

biodiversity

Answer 1

the variety of species and range of taxa (species diversity), the variety of alleles within a species (genetic diversity) and the variety of ecosystems (ecosystem diversity) of which organisms are a part

Question 2

biodiversity hotspot

Answer 2

an area with very high biodiversity

Question 3

endemic species

Answer 3

when a species is only found in one geographical location

Question 4

habitat

Answer 4

the place where a species lives

Question 5

species

Answer 5

a group of organisms with homologous features (similar anatomy, physiology and behaviour), which can interbreed to produce fertile offspring and are reproductively isolated from other species in time, place or behaviour

Question 6

species richness

Answer 6

the number of different species present in a habitat at any one time

Question 7

species evenness

Answer 7

the number of individuals (population size) of each species in a habitat