1. an organism that makes its own food

a. predator
b. decomposer
c. consumer
d. omnivore
e. primary consumer
f. secondary consumer
g. secondary predator
h. photosynthesis
i. food chain
j. tertiary consumer
k. herbivore
l. food web
m. carnivore
n. ecosystem
o. producer
p. invasive species

o. producer