MARINE FOOD WEBS: trophic levels, phytoplankton, zooplankton, apex predators reading comprehension passages. What turns a phytoplankton bloom into fuel for sharks? Trace energy up the trophic ladder through zooplankton and forage fish, then back down as decomposers recycle carbon. See how nutrient pulses, overfishing, and acidification rewire the links. This digital resource features Read Aloud Audio, Self-Marking Multiple Choice Questions, Critical Thinking Challenges, Open-Ended Questions, an