56 Items: boa • ash • diet • food • pets • wild • tabu • eggs • bass • carp • trap • ships • green • skink • probe • tahoe • canal • borer • signs • Native • python • iguana • escape • impact • attach • oxygen • florida • primary • clarity • control • emerald • invasive • breeding • electric • takehold • michigan • parasite • defenses • firewood • nonnative • hurricane • carnivore • aquariums • excretion • nutrients • coevolved • everglades • sealamprey • greatlakes • pheromones • established • mysticriver • ...

20 Items: spread • animals • nonnative • predation • competition • pestspecies • eradication • infestation • alienspecies • exoticspecies • invasiveplants • invasivespecies • introducedspecies • habitatalteration • rapidreproduction • biologicalcontrol • nativebiodiversity • ecosystemdisruption • ecologicalimbalance • environmentaldegradation

20 Items: bio • wild • loss • life • rare • nature • habitat • species • genetic • endemic • invasive • wildlife • ecosystem • ecosystem • biodiverse • endangered • extinction • bioticloss • conservation • conservation

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

13 Items: ph • climate • species • methane • invasive • icecores • carbonate • adaptation • mitigation • bicarbonate • carbonicacid • acidification • chlorofluorocarbons

11 Items: weeds • giant • python • species • lamprey • florida • invasive • goldfish • ecosystem • community • individual

24 Items: oak • wave • loss • beach • birds • maple • tidal • praire • erosion • species • erosion • marshes • dominant • chemical • reptiles • invasive • sawgrass • pollution • predators • pollution • vegetation • vegetation • amphibians • infestations

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

30 Items: goat • borer • gecko • camel • pigeon • rabbit • redfox • ferret • lantana • fireant • sparrow • reddeer • fruitfly • goldfish • canetoad • starling • wilddogs • gingerant • commoncarp • browntrout • commonmyna • housemouse • pricklypear • gardensnail • europeanwasp • commonearwig • rainbowtrout • waterbuffalo • paterson’scurse • mangoleafhopper

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

24 Items: land • coral • reefs • feral • coral • clans • atolls • marine • bridge • species • extinct • islands • conveys • invasive • hotspots • convicts • seafarers • linguists • indigenous • marsupials • navigation • generation • exoskeleton • pictographs

27 Items: web • food • food • host • prey • chain • energy • extinct • habitat • species • species • consumer • invasive • omnivore • parasite • predator • producer • carnivore • herbivore • mutualism • pollution • symbiosis • decomposer • endangered • parasitism • commensalism • photosythesis

22 Items: Flag • Iris • Oxeye • Daisy • Leafy • Giant • Tansy • Yellow • Canada • Spurge • Hounds • Tongue • Purple • Common • Orange • Thistle • Hogweed • Knapweed • Toadflax • Knotweed • Hawkweed • Loosestrife

22 Items: Flag • Iris • Oxeye • Daisy • Leafy • Giant • Tansy • Yellow • Canada • Spurge • Hounds • Tongue • Purple • Common • Orange • Thistle • Hogweed • Knapweed • Toadflax • Knotweed • Hawkweed • Loosestrife

27 Items: web • food • food • host • prey • chain • energy • extinct • habitat • species • species • consumer • invasive • omnivore • parasite • predator • producer • carnivore • herbivore • mutualism • pollution • symbiosis • decomposer • endangered • parasitism • commensalism • photosythesis

27 Items: web • food • food • host • prey • chain • energy • extinct • habitat • species • species • consumer • invasive • omnivore • parasite • predator • producer • carnivore • herbivore • mutualism • pollution • symbiosis • decomposer • endangered • parasitism • commensalism • photosythesis

28 Items: food • mate • fungi • water • fungi • plants • traits • living • science • factors • genetic • species • animals • shelter • organism • survival • invasive • wildlife • sunlight • ecosystem • resources • biologist • camouflage • population • endangered • competition • environment • reproduction

27 Items: mold • prey • fungi • biotic • abiotic • foodweb • species • organism • invasive • parasite • omnivore • predator • ecosystem • community • producers • consumers • foodchain • mutualism • symbiosis • herbivore • carnivore • scavenger • population • parasitism • decomposer • commensalism • photosynthesis

19 Items: Reed • muteswan • hydrilla • asiancarp • roundgoby • sealamprey • feralswine • zebramussel • honeysuckle • wildparsnip • gianthogweed • waterchestnut • garlicmustard • spinywaterflea • yellowflagiris • emeraldashborer • europeanstarling • spottedlanternfly • purpleloosestrife

12 Items: Knapweed • Toadflax • Knotweed • OxeyeDaisy • LeafySpurge • CommonTansy • HoundsTongue • GiantHogweed • CanadaThistle • YellowFlagIris • OrangeHawkweed • PurpleLoosestrife

19 Items: Environment lacking oxygen • Variety and variability of life • Species dwindling toward extinction • Amount of organic mass in an ecosystem • Organisms' natural home or environment • Species with no living members remaining • Species indigenous to the given ecosystem • Large, regional habitat of flora and fauna • Formation of new species due to env. change • ...

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

50 Items: food • muir • exam • crops • waste • human • final • change • global • health • okeefe • change • sudden • middle • school • summer • genetic • species • habitat • climate • warming • gradual • plastic • seventh • science • threats • science • services • richness • invasive • criteria • ecosystem • abundance • community • stability • pollution • synthetic • benchmark • population • constraint • endangered • destruction • disturbance • restoration • biodiversity • conservation • ...

22 Items: baiji • hirola • vaquita • angonoka • javanrhino • snowleopard • luristannewt • hainangibbon • amurleopards • malayantiger • elephantshrew • commonsawfish • sumatranrhino • rolowaymonkey • gootytarantula • araripemanakin • duskygopherfrog • northernbaldibis • redcrestedtreerat • geometrictortoise • greaterbamboolemur • spoonbilledsandpiper

30 Items: fern • lily • rose • tulip • birch • poppy • calla • pansy • peony • orchid • cactus • dahlia • bamboo • azalea • acacia • violet • begonia • jasmine • magnolia • camellia • amaranth • lavender • geranium • rosemary • sunflower • hydrangea • jacaranda • dandelion • carnation • bougainvillea

18 Items: cod • bass • pike • tuna • perch • trout • salmon • anchovy • tilapia • snapper • grouper • bluetang • mackerel • goldfish • clownfish • hammerhead • whaleshark • butterflyfish

16 Items: stem • prey • xylem • fungi • worms • energy • phloem • leaves • stomata • abiotic • habitat • bacteria • predator • invasive • decomposer • transpiration

29 Items: wild • mass • rain • plant • saved • world • animal • effort • forest • jungle • tundra • desert • extinct • species • worried • exhibit • habitat • wildlife • concerns • behaviors • endangered • critically • vulnerable • extinction • strategies • optimistic • environment • pessimistic • environmentalist

21 Items: chub • guppy • bichir • darter • salmon • boxfish • catfish • haddock • sardine • tilapia • angelfish • barracuda • neontetra • swordfish • zebrafish • discusfish • pufferfish • triggerfish • rainbowtrout • hammerheadshark • siamesefightingfish

20 Items: eel • koi • ray • bass • carp • Fish • tuna • oscar • shark • salmon • anchovy • grouper • halibut • tilapia • mackerel • monkfish • clownfish • viperfish • damselfish • pufferfish

30 Items: woma • iguana • hognose • boelens • tuatara • rosyboa • calking • viperboa • pixiefrog • ballpython • pacmanfrog • crocmonitor • gilamonster • komododragon • carpetpython • crestedgecko • leopardgecko • kenyansandboa • bismarkpython • beardeddragon • blacktailcrebo • yellowanaconda • snappingturtle • tricolorhognose • leachianusgecko • bluetongueskink • falsewatercobra • calabarburrowing • africanfattailedgecko • ...

30 Items: owl • duck • crow • swan • lark • loon • kiwi • eagle • heron • robin • stork • swift • condor • canary • parrot • falcon • toucan • pigeon • penguin • seagull • ostrich • peacock • sparrow • lapwing • flamingo • cockatoo • albatross • kingfisher • hummingbird • nightingale

15 Items: pang • haze • fumble • execute • lurches • orchards • glancing • amygdala • invasive • escorting • blustering • preferable • demonstrating • distinguishes • halluicnation

11 Items: Asia • Korea • China • Bamboos • Ecosystems • Autumn Olive • Winter Creeper • Multiflora Rose • Invasive Plants • Japanese Stiltgrass • Winged Burning Bush

10 Items: tall • hardy • green • strong • invasive • tropical • renewable • pandasdiet • sustainable • fastgrowing

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

30 Items: orca • panda • rhino • tiger • koala • lemur • jaguar • bonobo • kakapo • cheetah • gorilla • vaquita • penguin • redwolf • axolotl • elephant • orangutan • polarbear • seaturtle • bluewhale • hawksbill • chimpanzee • blackrhino • snowleopard • leatherback • amurleopard • iberianlynx • sumatrantiger • tasmaniandevil • mountaingorilla

20 Items: fir • oak • teak • alder • aspen • birch • ebony • pecan • bamboo • cherry • linden • poplar • willow • cypress • hickory • sequoia • basswood • ironwood • mahogany • sycamore

20 Items: owl • crow • ibis • kiwi • eagle • heron • robin • stork • condor • falcon • puffin • mallard • peacock • penguin • tanager • vulture • flamingo • lorikeet • albatross • cassowary

20 Items: krell • zorgon • vorlix • zyxian • vorpal • graxxor • vortian • flerkin • quelnar • yrrnian • qixxian • xelorian • quarpian • yarglian • xylaxian • zintarian • ylgrisian • xypherian • vexlorian • ulltharian

20 Items: redlist • poaching • extinction • endangered • threatened • habitatloss • conservation • biodiversity • illegaltrade • protectedareas • nearthreatened • speciesrecovery • captivebreeding • keystonespecies • overexploitation • ecosystemservices • conservationstatus • wildlifetrafficking • habitatfragmentation • wildliferehabilitation

30 Items: saola • kakapo • vaquita • redwolf • blackrhino • javanrhino • amurleopard • bengaltiger • snowleopard • mexicanwolf • malayantiger • sumatranrhino • asianelephant • sumatrantiger • ethiopianwolf • yangtzedolphin • mountaingorilla • southchinatiger • philippineeagle • borneanorangutan • indochinesetiger • sumatranelephant • northernbaldibis • sumatranorangutan • crossrivergorilla • hawksbillseaturtle • northernwhiterhino • ...

21 Items: gharial • vaquita • redpanda • bluewhale • orangutan • polarbear • blackrhino • chimpanzee • giantpanda • javanrhino • bengaltiger • malayantiger • sumatranrhino • sumatrantiger • easterngorilla • greenseaturtle • africanelephant • hawksbillturtle • philippineeagle • californiacondor • indochinesetiger

20 Items: bull • bamboo • basking • frilled • blacktip • thresher • epaulette • megalodon • megamouth • porbeagle • sandtiger • wobbegong • bonnethead • greatwhite • pondicherry • cookiecutter • shortfinmako • stethacanthus • greathammerhead • bluntnosesixgill

19 Items: bull • blue • lemon • tiger • zebra • dusky • goblin • bramble • basking • leopard • shortfin • whitetip • megamouth • porbeagle • greenland • megaladon • hammerhead • angelshark • cookiecutter

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

20 Items: ray • reef • salt • lake • ocean • river • fresh • squid • shark • whale • perch • turtle • colony • lobster • aquatic • seaweed • plankton • invasive • submarine • northernpike

20 Items: urban • canal • toronto • centres • welland • airports • invasive • skywheel • swimming • wetlands • pollution • escarpment • pesticides • agriculture • fertilizers • lighthouses • stcatharines • transportation • bioaccumulation • biomagnification

15 Items: COBRA • MAMBA • VIPER • TAIPAN • PYTHON • ANACONDA • WARTSNAKE • TWIGSNAKE • BULLSNAKE • QUEENSNAKE • TIGERSNAKE • GARTERSNAKE • RATTLESNAKE • BOACONSTRICTOR • TENTACLEDSNAKE

15 Items: lion • tiger • whale • macaw • bonobo • dugong • beluga • jaguar • vaquita • narwhal • gorilla • penguin • elephant • pangolin • hippopotamus

15 Items: DHOLE • SAOLA • BONOBO • VAQUITA • SEAOTTER • IBERIANLYNX • AMURLEOPARD • MEXICANWOLF • ASIANAROWANA • SIBERIANTIGER • SUMATRANTIGER • MOUNTAINGORILLA • HAEKSBILLTURTLE • BLACKRHINOCEROS • PALAWANPANGOLIN

13 Items: kakapo • numbat • vaquita • gharial • redpanda • seaotter • orangutan • sundatiger • javanrhino • bengaltiger • amurleopard • blackrhinos • philippineeagle

15 Items: beach park • Lanai lion • tallest peak • deer species • sheep species • Sweetheart Rock • green sea turtle • red crested bird • small boat harbor • cargo boat harbor • acrobatic dolphin • Hawaiian daytime owl • Hawaiian seal species • mountaintop bird species • giant pterodactyl-like seabird

13 Items: kakapo • numbat • vaquita • gharial • redpanda • seaotter • orangutan • sundatiger • javanrhino • bengaltiger • amurleopard • blackrhinos • philippineeagle

20 Items: tiger • panda • gorilla • vaquita • elephant • redpanda • pangolin • snowyowl • seaturtle • orangutan • baldeagle • bluewhale • rhinoceros • javanrhino • snowleopard • amurleopard • sumatrantiger • blackrhinoceros • hawksbillturtle • northernwhiterhino

10 Items: owl • swan • eagle • parrot • falcon • sparrow • peacock • penguin • flamingo • hummingbird

30 Items: ems • pace • peak • scat • bluff • fauna • flora • trail • tread • native • tracks • birding • compass • daypack • exposure • invasive • layering • itinerary • starchart • trailhead • trailname • understory • backpacking • shadowstick • trailmarker • conservation • hickingstick • leavenotrace • orienteering • potablewater

6 Items: ixora • involve • inundate • invasive • irrigation • interconnection

26 Items: pink • nepal • false • catkin • hundred • samaras • invasive • taphrina • markvast • beefwood • coppicing • symbiotic • humdidity • trade-off • deciduous • sporangia • predators • giganteus • herbicides • mesopotamia • phosphorous • all-healing • transpiration • heterotrophic • climate-change • graft-chimaeris

15 Items: BULL • BLUE • WHALE • TIGER • WHITE • LEMON • BONITO • GOBLIN • BASKING • THRESHER • SILVERTIP • SANDTIGER • MEGAMOUTH • HAMMERHEAD • BLACKTIPREEF

15 Items: FIN • SEI • BLUE • GREY • RIGHT • BRYDES • OMURAS • KILLER • BELUGA • BOWHEAD • HUMPBACK • CACHALOT • COMMONMINKE • SOUTHERNRIGHT • ANTARCTICMINKE

38 Items: tag • shop • fair • item • sale • coral • toxic • store • store • goods • dugong • oxygen • access • market • market • dioxide • species • habitat • product • protect • release • species • bargain • display • resident • addicted • customer • schedule • footprint • ecosystem • substance • complaint • home-made • extinction • single-use • home-grown • participate • advertisement

21 Items: Normal • Natural • Species • Geometry • Ontology • Humanity • Sciences • Taxonomy • SetTheory • Selection • SurfaceSet • Modularity • Bipedalism • Adaptation • Nomothetic • HyperActive • Ideographic • IntuitionSet • Biochemistry • Anthropology • PopulationSet

15 Items: DOG • MUSK • BEACH • CHINA • GALLIC • BURNET • CABBAGE • REDLEAF • PRAIRIE • CHEROKEE • VIRGINIA • MULTIFLORA • SWEETBRIAR • LADYBANKS' • PERSIANYELLOW

15 Items: EEL • BARB • ROHU • OPAH • SHARK • ANGLER • CATFISH • SAWFISH • TORPEDO • PUPFISH • ICEFISH • BLOWFISH • ANGELFISH • CLOWNFISH • RAZORFISH

15 Items: GRAY • LAVA • KELP • IVORY • SOOTY • RELICT • ANDEAN • LITTLE • SILVER • PACIFIC • WESTERN • CASPIAN • ICELAND • ARMENIAN • GLAUCOUS

15 Items: HOBO • DIADEM • REDBACK • ORCHARD • ZEBRABACK • WOODLOUSE • BLACKHOUSE • BLACKWIDOW • DIVINGBELL • BROWNWIDOW • COMMONHOUSE • BROWNRECLUSE • WESTERNWIDOW • YELLOWGARDEN • GOLDENRODCRAB

15 Items: pool • actor • known • adopt • aviary • teacher • visitor • prevent • species • giftshop • aquarium • picnicarea • endangered • population • reptilehouse

15 Items: sea • bins • reuse • ocean • coral • clean • reduce • polyps • habitat • recycle • species • oysters • compost • rainforest • livinggreen

15 Items: men • deer • dice • mice • moose • geese • teeth • women • fungi • algae • salmon • series • species • aircraft • offspring

15 Items: hobbit • formula • hominid • extinct • species • evidence • ancestor • salinity • statistic • unreliable • endangered • archaeology • microcephaly • anthropology • paleontologist

16 Items: DNA • Animal • Theory • Origin • Species • Charles • Mutation • Breeding • Survival • Darwinism • Evolution • Adaptation • Competition • Inheritance • NaturalSelection • GeneticVariation

17 Items: embryo • phylum • family • anatomy • species • species • offspring • embryology • vertebrates • dorsalnerve • postanaltail • commonancestor • pharyngealslits • comparativeanatomy • structuralhomologies • developmentalhomologies • embryologicaldevelopment

14 Items: DNA • Apes • Fossils • Finches • Species • Extinct • Evolution • Galapagos • HMSBeagle • MaryAnning • Archipelago • GregorMendel • CharlesDarwin • NaturalSelection

18 Items: hobby • river • cotton • desert • gentle • sahara • extreme • origami • species • sweater • explorer • mustache • practice • reindeer • dangerous • waterfall • antarctica • rainforest

18 Items: ancient • species • unsocial • sociable • coercion • specially • efficient • suspicion • sufficient • conscience • proficient • especially • multiracial • inefficient • beneficiary • appreciation • insufficient • excruciating

19 Items: detect • invade • foster • luster • streak • deplete • decline • species • copious • opitcal • critique • evidence • citation • hardness • cleavage • fracture • recycling • degenerate • radioactivity

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

20 Items: dna • Tree • clues • common • family • living • biology • fossils • history • species • ancestor • branches • evolution • structure • organisms • blueprint • relatives • adaptation • connection • similarities

12 Items: Plant • Fungi • Order • Genus • Class • Phylum • Family • Protist • Kingdom • Species • Respiration • Photosynthesis

12 Items: cup • look • peek • week • wink • link • sink • Spoon • water • shiver • animal • species

20 Items: CLASS • PLANTS • FAMILY • GENERA • ANIMALS • EPITHET • NATURAL • SPECIES • ANATOMY • LINNAEUS • GENETICS • TAXONOMY • BINOMIAL • ORGANISMS • EVOLUTION • ARTIFICIAL • NOMENCLATURE • PHYLOGENETIC • PHYSIOLOGICAL • CLASSIFICATION

20 Items: bird • nest • beak • wings • avian • chirp • flock • finch • eagle • pigeon • habitat • species • plumage • sparrow • swallow • feathers • twitcher • migration • binoculars • ornithologist

20 Items: ox • oxen • leaf • life • echo • veto • tooth • teeth • moose • shelf • lives • echoes • halves • vetoes • leaves • species • antenna • shelves • scissors • antennae

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

15 Items: PINE • MOTHS • CAVES • FLIES • TREES • WINGS • FOREST • SHRUBS • SPECIES • HABITAT • BEETLES • ROOSTING • SENSITIVE • CARNIVORE • ENDANGERED

15 Items: prey • habitat • quadrat • species • foodweb • predator • survival • carnivore • herbivore • adaptation • camouflage • population • insecticide • biodiversity • conservation

15 Items: DNA • Apes • Species • Finches • Extinct • Fossils • Evolution • HMSBeagle • Galapagos • MaryAnning • Endangered • Archipelago • GregorMendel • CharlesDarwin • NaturalSelection

15 Items: vein • weigh • weird • their • seize • either • height • weight • neither • leisure • species • ancient • science • society • neighbour

15 Items: hobbit • formula • hominid • extinct • species • evidence • ancestor • salinity • statistic • unreliable • endangered • archaeology • microcephaly • anthropology • paleontologist

15 Items: crab • evolve • shells • mussel • coexist • species • atlantic • mollusks • chemical • predator • evidence • zoologist • population • invertebrate • characteristic

15 Items: adapt • fossil • theory • species • wipeout • survive • illegal • preserve • poaching • evidence • evolution • extinction • endangered • deforestation • chronological

15 Items: diet • fins • apex • gills • liver • smell • teeth • oceans • species • ancient • migrate • habitats • flexible • predator • cartilage

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

16 Items: bird • fish • mammal • insect • reptile • mollusk • extinct • species • habitat • arachnid • amphibian • vertebrate • crustacean • warmblooded • coldblooded • invertebrate

17 Items: Gnaw • Cute • Dozen • Style • waste • plain • afford • Secrete • Disgust • Species • Defacate • Tropical • Priority • Nocturnal • Captivity • reasonable • inexpensive

11 Items: class • phylum • species • kingdom • classify • vascular • vertebrate • nonvascula • taxonomist • invertebrate • dichotomouskey

15 Items: GREY • CAPE • TIMNEH • SENEGAL • NIAMNIAM • RUPPELLS • BURROWING • REDBELLIED • REDFRONTED • THICKBILLED • YELLOWEARED • BROWNHEADED • YELLOWFRONTED • SLENDERBILLED • AUSTRALPARAKEET

18 Items: moth • traits • theory • natural • origins • lamarck • gradual • species • survival • peppered • evolution • selection • darwinism • variation • offspring • population • transition • reproduction

13 Items: dig • huge • dream • world • fossil • species • discover • lifetime • wildlife • astronomer • researcher • breakthrough • paleontologist