mackerel
The missing term is "phytoplankton." Phytoplankton are microscopic organisms that form the base of the marine food chain by converting sunlight into energy through photosynthesis.
Plankton
yes, plankton is at the bottom of the food chain.
Plankton
Catfish are all bottom feeders. Their food chain is phyto plankton (tiny plants), zoo plankton (tiny animals), then small fish.
invertebrates such as plankton and some jellyfish
Krill are catagorized as meat on the food chian, just like any other type of sea food. They're a good source of protien, that is if you'll eat them!
Plankton are at the very very bottom of the food Chain. So, if they go extinct then whatever is the next up the food chain will become extinct and so on. If Plankton go extinct, life as we know it is over.
I forget what it is called but it is a type of plankton
they are above algae,brie shrimp,plankton
phytoplankton
one ocean food chain is plankton, fish, bigger fish, whales