life systems
vocabulary
economists
living things
people
food
water
air
oxygen
sun
plants
sun
water
air
oxygen
animal
fish
food
water
oxygen
mammals
dofing
camel
zebra
rapturous
food
water
sun
oxand
instrument
inches
cos to poelpe
population
organisms
no living things
change
life
tsumome ,blezrs tnatow
dead
colocy
economists
sciientists
endangered
why is the animal endangered ?
land use changes
pollution
resource exploitation
over using material
exotic specis
animals
environment
oxygen
habtat
lost
anmlls
colr is in potint in the watr
community
biotivrste
gnatec
spese