34 Items: sun • moon • food • farm • plant • biome • river • water • animal • insect • living • energy • marine • forest • desert • shelter • habitat • organism • predator • producer • consumer • omnivore • lifeform • ecosystem • pollution • grassland • herbivore • carnivore • decomposer • terrestrial • pollination • relationships • deforestation • photosynthesis

23 Items: pond • moss • sand • soil • biome • ocean • taiga • river • fungi • rocks • trees • biotic • desert • forest • tundra • lichen • leaves • plants • abiotic • prairie • wetland • animals • flowers

29 Items: fox • tuna • lion • frog • bear • carp • deer • pike • squid • coral • shark • sheep • polar • polar • eagle • plain • Tundra • Forest • Desert • Marine • stream • savanna • estuary • glacier • amazonia • Grassland • waterfall • Freshwater • rainforest

11 Items: ocean • fungi • biotic • tundra • Forest • abiotic • organism • wetlands • bacteria • ecosystem • grasslands

8 Items: Taiga • Tundra • Desert • Savanna • Freshwater • Rainforest • Temperateforest • deciduousforest

19 Items: prey • flora • fauna • climate • foodweb • consumer • omnivore • predator • ecosystem • community • herbivore • carnivore • scavengers • neutralism • decomposers • competition • polarregion • tropicalzone • temperatezone

16 Items: niche • habitat • species • ecosystem • mutualism • predation • symbiosis • parasitism • population • resilience • resistance • succession • competition • biodiversity • commensalism • carryingcapacity

24 Items: zone • niche • climax • ecology • dominant • even-age • holistic • ecosystem • hardiness • tolerance • codominant • overtopped • succession • chlorophyll • decomposers • energy-flow • mycorrhizae • photoperiod • uneven-aged • intermediate • photochemical • material-cycle • stratification • ecosystem-management

18 Items: prey • Niche • biotic • effect • abiotic • climate • habitat • survival • consumer • producer • predator • ecosystem • foodchain • connecting • population • decomposer • relationships • microorganism

15 Items: niche • biotic • ecology • abiotic • habitat • limiting • producer • consumer • omnivore • ecosystem • biosphere • community • herbivore • population • decomposer

15 Items: trees • jungle • bionic • forest • biomes • plants • dessert • abiotic • animals • primary • tertiary • foodchain • secondary • producers • decomposers

15 Items: Reuse • Reduce • Recycle • Compost • Pollution • Ecosystem • Renewable • Environment • Conservation • Biodiversity • Nonrenewable • Globalwarming • Sustainability • Carbonfootprint • Renewableenergy

14 Items: web • Food • Food • chain • water • cycle • plants • Biotic • Abiotic • Animals • Habitat • Ecosystems • Respiration • Photosynthesis

15 Items: TAIGA • WATER • IMMUNE • CARBON • CLIMATE • WEATHER • TERRAIN • PRODUCER • COMPOSER • NITROGEN • BIOSPHERE • EVOLUTION • ECOSYSTEM • COMMUNITY • POPULATION

15 Items: Reuse • Earth • Solar • Waste • Reduce • Litter • Nature • Recycle • Conserve • Preserve • Ecosystem • Pollution • Renewable • Environment • Sustainability

15 Items: grow • file • plant • latin • genus • study • books • phylum • sample • catalog • classify • identify • ecosystem • schooling • reference

15 Items: reef • human • towns • biome • living • cities • biotic • natural • abiotic • nonliving • ecosystem • producers • consumers • rainforest • environment

16 Items: prey • habitat • foodweb • predator • omnivore • consumer • producer • community • foodchain • carnivore • herbivore • ecosystem • population • decomposer • trophiclevel • energypyramid

13 Items: biome • zones • tundra • desert • savanna • salinity • plankton • chaparral • ecosystem • permafrost • monoculture • borealforest • temperategrassland

13 Items: area • range • valley • desert • common • feature • physical • landform • irrigate • interact • geography • elevation • ecosystem

19 Items: fungus • species • habitat • organism • ecosystem • community • evolution • population • adaptation • resistance • eubacteria • gymnosperm • angiosperm • vertebrate • bioticfactor • invertebrate • abioticfactor • archaebacteria • artificialselection

15 Items: fish • bats • caves • plants • swamps • forest • planet • animals • mussels • insects • wetlands • wildlife • ecosystem • landscape • freshwater

15 Items: limit • biotic • science • habitat • ecology • abiotic • density • climate • organism • ecosystem • resources • community • population • emigration • environment

15 Items: tree • earth • trunk • plants • forest • bluejay • friends • birdbath • ecosystem • blueberry • recycling • destruction • preservation • conservation • deforestation

15 Items: oil • lead • lake • pond • water • ocean • clean • river • sewage • runoff • pollution • ecosystem • pesticides • fertilizer • contaminated

15 Items: prey • biotic • abiotic • habitat • species • consumer • invasive • organism • predator • producer • ecologist • ecosystem • symbiotic • biodiversity • commensalism

15 Items: sea • ocean • biome • desert • forest • forest • tundra • wetland • aquatic • tropical • savannah • grassland • ecosystem • freshwater • terrestrial

14 Items: evc • growth • biomes • habitat • species • organism • ecosystem • bioregion • vegetation • biodiversity • biogeographic • environmental • classification • characteristics

20 Items: their • there • aloud • forth • fourth • extinct • fragile • counsel • council • allowed • droughts • zucchini • ecosystem • imbalance • spaghetti • necessary • flourished • prestigious • sophisticated • questionnaire

21 Items: web • food • food • chain • niche • biotic • abiotic • ecology • habitat • community • consumers • ecosystem • mutualism • predation • producers • symbiosis • parasitism • population • competition • decomposers • commensalism

20 Items: flora • fauna • vines • canopy • foliage • habitat • treetop • wildlife • ecosystem • canopybed • bushwhack • junglecat • underbrush • rainforest • canopywalk • junglebook • canopytower • jungletrail • biodiversity • junglecruise

20 Items: soil • media • radio • health • garden • resist • bioart • testing • compost • gallery • creative • activist • teamwork • reporter • ecosystem • community • filmmaker • grassroots • independent • pollinators

15 Items: atom • energy • aquatic • foodweb • consumer • organism • producer • carnivore • ecosystem • nutrients • decomposer • mattercycle • terrestrial • trophiclevel • energytransfer

15 Items: CYCLE • DECAY • OXYGEN • HABITAT • FOODWEB • NITROGEN • PRODUCER • FOODCHAIN • ECOSYSTEM • COMMUNITY • FOODCHAIN • POPULATION • DECOMPOSER • CARBONDIOXIDE • PHOTOSYNTHESIS

16 Items: oil • wind • smog • coal • solar • mining • energy • bycatch • fishery • forestry • ecosystem • agriculture • hydroelectric • climatechange • deforestation • desalinization

16 Items: cell • genes • fungi • virus • tissue • botany • zoology • ecology • organism • bacteria • genetics • evolution • ecosystem • metabolism • adaptation • photosynthesis

15 Items: niche • oxygen • species • extinct • instinct • nitrogen • producer • ecosystem • lifecycle • pollination • invertebrate • nitrogencycle • carbondioxide • energypyrimid • respiratorysystem

16 Items: prey • biotic • habitat • abiotic • predator • limiting • community • deathrate • birthrate • mutualism • deathrate • ecosystem • symbiosis • parasitism • emmigration • commensalism

15 Items: Wetland • Cattail • Biology • Science • Reptile • Diverse • SquidGame • Ecosystem • Amphibian • Wastewater • Freshwater • Biodiversity • Purification • Invertebrate • Conservation

15 Items: land • nature • biotope • natural • aquatic • Ecosystem • imbalance • pollution • resources • biocenosis • artificial • distribute • extinction • overexploit • relationships

15 Items: Earth • Reuse • Waste • Litter • Nature • Reduce • Climate • Recycle • Conserve • Preserve • Ecosystem • Pollution • Renewable • Environment • Sustainability

17 Items: help • land • reuse • trash • clean • watch • ocean • reduce • unsafe • people • garbage • habitat • protect • recycle • animals • landfill • ecosystem

17 Items: atom • cell • biome • earth • tissue • organs • biotic • abiotic • molecule • organism • community • ecosystem • biosphere • population • unicellular • organsystem • multicellular

13 Items: ecology • foodweb • biomass • community • ecosystem • landscape • biosphere • producers • consumers • population • decomposers • trophiclevel • thermodynamics

13 Items: note • erosion • federal • currency • economic • pandemic • ecosystem • greatlakes • indigenous • greatplains • prehistoric • paleontologist • greatdepression

15 Items: CYCLE • DECAY • OXYGEN • HABITAT • FOODWEB • NITROGEN • PRODUCER • FOODCHAIN • ECOSYSTEM • COMMUNITY • FOODCHAIN • POPULATION • DECOMPOSER • CARBONDIOXIDE • PHOTOSYNTHESIS

16 Items: prey • fewer • indian • arctic • animals • extinct • species • pacific • evidence • atlantic • southern • ecosystem • predatoors • decreasing • increasing • overpopulated

18 Items: BIRD • SLUG • DELTA • MOOSE • OCEAN • OTTER • RIVER • HARBOR • MUSEUM • SALMON • TANKER • HERRING • TSUNAMI • INVASIVE • PLANKTON • COMMUNITY • ECOSYSTEM • WATERSHED

18 Items: sun • mass • force • matter • energy • mixture • observe • organism • property • lifecycle • ecosystem • weathering • adaptation • increasing • decreasing • evaporation • temperature • precipitation

18 Items: air • soil • wind • land • water • crops • stream • energy • plants • nature • erosion • climate • habitat • wildlife • ecosystem • agriculture • environment • conservation

12 Items: living • organism • omnivore • producer • consumer • ecosystem • carnivore • herbivore • nonliving • symbiotic • adaptation • decomposer

12 Items: methane • ecosystem • pollutant • renewable • atmosphere • carcinogen • extinction • groundwater • biodiversity • conservation • biodegradable • deforestation

17 Items: earth • reuse • paper • glass • reduce • recycle • plastic • ecology • habitat • warming • landfills • pollution • ecosystem • environment • conservation • biodegradable • sustainability

18 Items: native • exotic • lichen • annuals • granite • erosion • invasive • piedmont • ecoregion • ecosystem • introduced • perennials • vernalpools • insectivore • hibernation • echolocation • endemicspecies • whitenosesyndrome

18 Items: genetic • species • endemic • hotspot • cloning • invasive • poaching • ecosystem • resistant • resilient • endangered • threatened • extinction • extirpation • biodiversity • fragmentation • captivebreeding • endangeredspeciesact

12 Items: living • organism • producer • consumer • omnivore • ecosystem • nonliving • carnivore • herbivore • symbiotic • adaptation • decomposer

19 Items: Oil • life • Trash • Human • Marine • Sewage • Runoff • Toxins • Animals • Garbage • Quality • Mistakes • Pollution • Ecosystem • Freshwater • Groundwater • Fertilizers • Environmental • Contamination

19 Items: ocean, • river, • desert, • island, • plateau, • volcano, • glacier, • climate, • geology, • mountain, • latitude, • continent, • peninsula, • ecosystem, • longitude, • topography, • population, • cartography, • urbanization

18 Items: BIRD • SLUG • DELTA • MOOSE • OCEAN • OTTER • RIVER • HARBOR • MUSEUM • SALMON • TANKER • HERRING • TSUNAMI • INVASIVE • PLANKTON • COMMUNITY • ECOSYSTEM • WATERSHED

18 Items: city • lake • food • scale • biotic • budget • desert • stream • system • abiotic • habitat • bacteria • boundary • sunlight • nutrient • ecosystem • pollutants • resilience

22 Items: reef • reef • coral • coral • algae • ocean • solar • polyps • global • barrier • colored • warming • dilution • bleaching • bleaching • ecosystem • attacking • irradiance • freshwater • temperature • sedimentation • zooanxathellae

19 Items: rocks • infer • solve • strata • kunard • igneous • factors • minerals • consider • multiples • interpret • producers • consumers • ecosystem • sedimentary • metamorphic • decomposers • pollination • fertilization

19 Items: vines • floor • amazon • unique • forest • canopy • lianas • logging • fossils • aquatic • equator • vanilla • tropical • predator • language • ecosystem • chemicals • pollution • protection

10 Items: wwf • fins • help • money • raise • sharks • marine • charity • predator • ecosystem

10 Items: biotic • abiotic • ecology • survival • producer • consumer • predator • ecosystem • ecologist • decomposer

10 Items: floods • stroms • climate • droughts • wildfires • ecosystem • hurricanes • temperture • risingocean • naturedisasters

20 Items: host • seek • prone • energy • factor • fungus • impact • benefit • maximum • minimum • consume • likewise • category • parasite • ecosystem • decompose • infection • recreation • consequence • photosynthesis

20 Items: Gas • Fuel • Ozone • Carbon • Fossil • Dioxide • Climate • Habitat • Species • Invasive • Resource • Ecosystem • Pollutant • Adaptation • Atmosphere • Endangered • Greenhouse • Mitigation • Biodiversity • Conservation

20 Items: reuse • energy • reduce • natural • recycle • topsoil • omnivore • renewable • ecosystem • pollution • herbivore • fossilfuel • solarenergy • consumption • nonrenewable • conservation • biodegradable • globalwarming • sustainability • greenhouseeffect

20 Items: prey • soil • cycle • biotic • matter • biomass • abiotic • predator • producer • consumer • herbivore • carnivore • scavenger • nutrients • ecosystem • decomposer • succession • equilibrium • sustainability • photosynthesis

20 Items: salp • krill • cilia • larva • spore • bloom • virus • diatom • redtide • copepod • filament • pteropod • flagella • ecosystem • coccolith • tintinnid • autotropic • baleenwhale • holoplankton • ultraplankton

20 Items: world • change • climate • ecology • natural • EarthDay • ecosystem • emissions • landfills • pollution • recycling • renewable • protection • biodiversity • conservation • preservation • biodegradable • contamination • deforestation • environmentalist

20 Items: prey • rhyme • energy • object • economy • organism • sparsely • symmetry • indirect • herbivore • nutrients • ecosystem • infertile • perimeter • rectangle • congruent • irregular • appreciate • agriculture • infrastructure

20 Items: tree • soil • root • park • trunk • shade • forest • leaves • oxygen • canopy • sapling • arborist • planting • seedling • greenery • arboretum • evergreen • ecosystem • landscaping • conservation

11 Items: living • producer • consumer • omnivore • organism • herbivore • carnivore • nonliving • ecosystem • adaptation • decomposer

11 Items: injury • refugee • glacier • disease • capacity • ecosystem • settlement • deglaciation • vulnerability • deforestation • precipitation

20 Items: Frog • Tree • Rain • Snake • Humid • Flora • Fauna • Birds • Canopy • Monkey • Parrot • Lianas • Jungle • Tropical • Butterfly • Ecosystem • Evergreen • Understory • Equatorial • Biodiversity

20 Items: front • biome • tundra • climate • weather • equinox • savanna • prairie • rotation • solstice • ecosystem • deciduous • chaparral • herbivore • carnivore • revolution • coniferous • permafrost • continental • precipitation

20 Items: biome • fauna • mammal • zoology • ethology • poaching • predator • ecosystem • migration • sanctuary • scavenger • camouflage • endangered • habitation • endothermic • hibernation • ornithology • territorial • biodiversity • conservation

21 Items: mud • life • food • clay • sand • silt • soil • loam • water • fungi • carbon • growing • drought • digging • harvest • compost • minerals • flooding • gardener • ecosystem • earthworms

21 Items: dna • cell • genes • enzyme • nervous • protein • species • zoology • bacteria • mutation • taxonomy • digestion • ecosystem • endocrine • organelle • chromosome • metabolism • physiology • inheritance • reproduction • biotechnology

10 Items: omnivore • producer • consumer • foodchain • herbivore • carnivore • ecosystem • scavenger • adaptation • decomposer

10 Items: shell • scales • painted • aquatic • carapace • plastron • snapping • ecosystem • terrestrial • poikilotherm

10 Items: biotic • abiotic • ecology • survival • producer • consumer • predator • ecosystem • ecologist • decomposer

10 Items: biome • flora • fauna • habitat • ecosystem • endangered • pollination • biodiversity • decomposition • photosynthesis

10 Items: reuse • oceans • reduce • compost • climate • habitat • landfill • renewable • ecosystem • biodiversity

10 Items: desert • ecozones • peninsula • mountains • ecosystem • landforms • habitation • temperature • precipitation • physiographic

10 Items: living • producer • consumer • organism • nonliving • symbiotic • ecosystem • decomposer • adaptation • environment

10 Items: fauna • zoology • predator • poaching • ecosystem • sanctuary • habitation • endangered • biodiversity • conservation

15 Items: dry • soil • arid • land • desert • drought • erosion • rainfall • infertile • ecosystem • irrigation • overgrazing • unproductive • climatechange • deforestation

15 Items: sun • apex • energy • foodweb • pyramid • ecology • tertiary • producer • calories • consumer • ecosystem • carnivore • secondary • quartenary • decomposers

10 Items: gene • biome • theory • species • genotype • ecosystem • community • phenotype • extinction • limitedresources

10 Items: ocean • river • forest • foliage • prairie • mountain • landscape • ecosystem • wildflowers • biodiversity

10 Items: green • reuse • earth • trees • reduce • habitat • climate • landfill • ecosystem • biodiversity

16 Items: floor • cereal • serial • forest • austere • procedure • ecosystem • adjudicate • adjacently • damagingly • exaggerate • understorey • environment • suggestively • conservation • refrigeration

16 Items: dry • land • sand • death • Sahel • cycle • global • warming • gullying • sandstorm • migration • ecosystem • Overgrazing • hydrological • deforestation • Desertification

16 Items: Recycle • Pollution • Ecosystem • FossilFuels • Conservation • Biodegradable • GlobalWarming • Deforestation • NotillFarming • NaturalResources • Nonbiodegradable • HumanInteraction • GreenHouseEffect • EmissionReduction • RenewableResources • WatershedManagement

20 Items: safe • save • water • reuse • fresh • water • waste • water • sewer • water • world • reduce • ground • energy • reverse • drinking • recycling • ecosystem • pollution • filtration

17 Items: rare • life • cycle • change • global • recycle • ecology • climate • warming • landmill • ecosystem • biohazards • extinction • geothermal • inhabitants • conservation • biodegradable

17 Items: Prey • Flood • Impact • Thrive • Perish • Drought • Organism • Carrying • Capacity • Predator • Producer • Consumer • Community • Ecosystem • Population • Environment • Overpopulation