Time sensitive! 5 and 5 pts now. how are ocean and land ecosystems connected? a. marine turtles eat mats of floating algae and are eaten by sharks. b. krill consume phytoplankton that capture energy by photosynthesis. c. decomposers break down the remains of a squirrel and return its nutrients to the soil. d. a pelican feeds on ocean fish, and crows eat the pelican’s eggs.