Related by context. Frequent words. (Click for all words.) 62 larval stages 62 Zooplankton 60 voracious eaters 60 reproduce asexually 59 voracious predators 59 calcium carbonate shells 58 Antarctic krill 58 Methylmercury 58 decomposers 58 fungus spores 58 protozoans 57 Thoroughly cooking 57 overwinters 57 aquaculture ponds 57 recolonized 57 quaggas 57 deplete oxygen 57 Horseshoe crabs 57 Cyanobacteria 56 aquatic insect 56 sicken humans 56 microscopic organism 56 wetland vegetation 56 amphipods 55 photosynthetic organisms 55 biting midges 55 mussel species 55 blister rust 55 photosynthetic algae 55 insects reptiles 55 viruses parasites 55 phytoplankton blooms 55 migrating northward 55 filter feeders 54 conventionally bred 54 Purple loosestrife 54 unicellular 54 Spider mites 54 gastropods 54 larvae hatch 54 Domoic acid 54 freshwater habitats 54 reactive nitrogen 54 dolphins wash ashore 54 parasitic insects 54 vertebrate animals 54 parasitize 54 cone snails 54 aegypti 54 permafrost melts 53 toxic algal blooms 53 tunicates 53 biomasses 53 aquacultural 53 amphibians reptiles 53 planktonic 53 copepod 53 decaying vegetation 53 frogs lizards 53 refugia 53 oocysts 53 mammals reptiles 53 microbial organisms 53 tardigrades 53 penguins seals 53 migrated northward 53 Thrips 53 common murres 53 cambium layer 53 acidify 53 invertebrate animals 53 photosynthesize 53 eat mosquito larvae 53 Invasive plants 53 Basking sharks 53 watermilfoil 53 delicate ecosystems 53 Leptospira 53 pluripotent meaning 52 embryonic tissue 52 peat lands 52 fruits vegetables legumes 52 Anopheles mosquitoes 52 Diatoms 52 By LEANN ECKROTH 52 mosquito vector 52 pteropods 52 Opossums 52 rotifers 52 biogeochemical cycles 52 diarrhea cramps nausea 52 Saturated fats 52 frogs salamanders 52 destructive pests 52 harvested sustainably 52 freshwater fishes 52 springtails 52 photosynthesizing 52 Bottom trawling 52 brood rearing 52 organisms