Answer:
Algae - otocinclus catfish - osprey.
Algae - mosquito larvae - dragonfly larvae - fish - raccoons.
Crayfish - catfish - humans.
Insect - fish - humans.
Mayflies - trout - humans.
Phytoplankton - copepod - fish - squid - seal - orca - brittle star.
Phytoplankton - copepod - bluefish - swordfish - human.
Explanation:
