A
animal
apex predator
autotroph
B
bacterium
C
calorie
carnivore
carnivorous
chain
consume
consumer
consumption efficiency
D
decomposer
detritivore
diet
E
eat
efficiency
energy
energy transfer
equilibrium
F
filter feeder
folivore (leaf-eater)
food
food chain
food cycle
food network
food web
frugivore (fruit-eater)
fungus
G
granivore (seed-eater)
H
herbivore
herbivorous
heterotroph
hypercarnivore
hypocarnivore
I
ingest
insectivore
insectivorous
M
meat-eater
mesocarnivore
mucivores (sap eater)
N
nectarivore (nectar-eater)
O
obligate carnivore
omnivore
omnivorous
organism
P
palynivore (pollen eater)
photosynthesis
phytoplankton
piscivore
plant
plant-eater
predation
predator
prey
primary consumer
primary producer
production efficiency
Q
quaternary consumer
S
scavenge
scavenger
secondary consumer
T
tertiary consumer
top predator
trophic level
V
vegetarian
W
web
X
xylophage (wood eater)
Z
zooplankton