variety of life in an area
biodiversity
random DNA change
mutation
normal exrinction pace
background extinciton rate
protecting nature
conservation
Yellowstone example
national park
roles organisms play
functiional diversity
environmental force
selective pressure
rapid global die off
mass extinction
repairing ecosystems
ecological restoration
managed forest land
national forest
benefits human get from nature
ecosystem services
survival of best traits
natural selection
gone forever
biological extinction
wildlife friendly tourism
ecotourism
wildlife habitat land
national wildlife refuge
larger region with similar climate/life
biomes
helpful survival trait
adaptation
gone locally
exirpation
international wildlife trade law
CITES
local protected land
forest preserve
group that can reproduce
species
one species splits into two
speciation
too few to impact ecosystem
ecological extinction
US species protection law
endangered species act
highest IL protection
illinois nature preserve/state park