JAMB - Biology (2017 - No. 32)
The protista that is a producer in an aquatic food chain is
trypanosome
paramecium
chlamydomonas
amoeba
Explication
Protists are single celled organisms that contain chloroplasts to aid photosynthesis.
Algae → Protozoa → Small Insects → Large aquatic Insects → Small fish → Large fish
Algae → Protozoa → Small Insects → Large aquatic Insects → Small fish → Large fish