gene
plant
class
order
family
species
wood
jungle
forest
forestry
brush
bush
root
bulb
stem
leaf
tree
trunk
branch
limb
bamboo
palm
date
palm
oak
pine
animal
creature
beast
zoo
bird
feather
wing
tail
bill
claw
swallow
swift
nest
sparrow
eagle
bat
crane
seagull
tiger
lion
dragon
elephant
trunk
monkey
bear
wolf
fox
camel
snake
deer
giraffe
stag
dolphin
seal
frog
seashell
whale
insect
worm
mosquito
fly
butterfly
spider
sting
ant
bee
bug
geography
globe
continent
mainland
island
tide
current
surge
sea
dam
ocean
desert
sand
stone
dirt
clay
ash
mountain
hill
valley
vale
cliff
slope
summit
peak
ridge
mount