... Union(IUCN) 209, 210 worms 25, 105 , 108 , 109 , 111,141, 142, 150, 158ZZheng Ho 163, 165zooplankton 104 106 in deep-ocean sediments42definition of 101 in food chain 105 106 ,136–137iron-seeding and ... grams of seawatersatellite remote sensing the use of satellites to detect fea-tures of Earth s surface 250 OCEANS plankton 67–68, 100 101 . Seealso phytoplankton; zoo-planktonplants 106 – 110 in ... webs 101 102 ,135–138bacteria in 102 103 fishing and 207heavy metals in 205phytoplankton in 101 102 , 135–137sea grasses in 109 seaweed in 108 structure of 135–138zooplankton in 105 106 ,136–137foraminiferans...