Related by context. Frequent words. (Click for all words.) 67 decaying vegetation 60 gastropods 57 rotting vegetation 57 wormlike 57 greenish brown 57 quaggas 56 absorbs carbon dioxide 56 fruiting bodies 56 leaf litter 56 snail shells 56 photosynthetic organisms 56 seedheads 56 protoplasm 56 mycelium 56 biodegraded 55 lunar soil 55 fungal spores 55 gyres 55 peat swamps 55 egg sacs 55 agglomerates 55 cambium 55 insect larvae 55 mouthparts 55 lichen 55 compost heaps 55 potent greenhouse gas 54 sphagnum moss 54 underground burrows 54 filter feeders 54 amphipods 53 salt crystals 53 aquatic invertebrates 53 blowholes 53 oxidise 53 photosynthesize 53 sooty mold 53 fecal material 53 pollen grains 53 dense canopy 53 apple cores 53 microscopic organisms 53 Venus flytraps 53 diatoms 53 heartwood 52 planktonic 52 sparse vegetation 52 tannic acid 52 unicellular 52 waxy substance 52 plankton 52 xylem 52 vacuoles 52 carbonic acid 52 CO -2 52 mussel shells 52 threadlike 52 aragonite 52 acidify 52 moss 52 globule 52 tunicates 52 corm 52 larvae 52 eucalyptus leaves 52 echidnas 51 mucilage 51 spores 51 earthworms 51 Sperm whales 51 insects 51 snail shell 51 absorbing carbon dioxide 51 seagrasses 51 Grass clippings 51 composted manure 51 graphene oxide 51 woody stems 51 rice hulls 51 regrows 51 Dust mites 51 dense thickets 51 larval stages 51 daddy longlegs 51 methane CH4 51 basalt rock 51 marine invertebrates 51 seedpods 51 phloem 51 copepods 51 deplete oxygen 51 coniferous forests 51 atmospheric nitrogen 51 silts 51 invertebrates 51 granulate 51 lignocellulose 51 cordgrass 50 noble gases 50 temperate forests 50 pine bark