☀️🌊🦠➡️🐠

#phytoplankton #aquatic food web #marine primary production #ocean photosynthesis #algae #food chain base

🪲🪽

#zooplankton #phytoplankton #microscopic organism #drifting organism #water sample #aquatic food web

☀️➡️🌱➡️🐟

#aquatic food web #primary production #lake trophic levels #energy flow #ecosystem dynamics #freshwater food chain