- aa
- Abiogenic
- Absolute Age
- Abundance
- Accrete
- Active beach
- Adaptation
- Adaptive optics
- Adaptive radiation
- Adaptive shift
- aeolian
- Alien
- Anchialine pond
- Aquifer
- Arboreal
- Arthropod
- Assumption
- Baseline data
- Beach
- Bioaccumulation
- Biocontrol
- Biodiversity
- Bioerosion
- Biogenic
- Biological toxin
- Biomass
- Brackish
- Brood
- Budding
- Calcareous
- Canoe plants
- Canopy
- Carnivore
- Cartilagenous fish
- Ciguatoxin
- Cinder
- Cloud forest
- Comparative dating technique
- Confused seas
- Containment
- Control site
- Coralline algae
- Coriolis effect
- Cover
- Crater
- Cyst
- Daughter product
- Decomposers
- Detrital
- Detritivore
- Detritus
- Dew point
- Dinoflagellate
- Dispersal mechanism
- Doldrums
- Echinoderm
- Ecosystem
- Emergent land
- Endangered
- Endangered
- Endemic
- Endemism
- Environmental assessment
- Environmental impact statement
- Environmental review
- Ephemeral
- Eradicate
- Eutrophication
- Evapotranspiration
- Evolution
- Exoskeleton
- Experimental design
- Extrapolate
- Feral
- Finding of No Significant Impact (FONSI)
- Fixed photoquadrat method
- Fog drip
- Foriminifera
- Fossil assemblage
- Founding species
- Frequency
- Frugivorous
- Generalist
- Globalization
- Groin
- Ground water
- Ground water recharge
- Hadley Cell
- Helioseismology
- Herbivore
- Hypothesis
- Impact site
- Impoundment
- Indigenous
- Insecticide
- Insectivore
- Instrumental value
- Interisland dispersal
- Intertidal zone
- Intrinsic value
- Introduced species
- Invasive plant
- Inversion layer
- Invertebrate
- Isolation
- Isotope
- Knot
- Lapse rate
- Larva
- Lifting condensation level
- Littoral
- Littoral budget
- Littoral zone
- Longshore current
- Magnetic secular variation
- Marine protected area
- Mechanical erosion
- Mesoscale
- Miconia
- Migratory
- Monitoring
- Monogyne
- Monomorphic
- Montane bog
- Multicolonial
- Naiad
- Narrowly endemic
- Native
- Natural population
- Naturalize
- Nautical mile
- Neap tide
- Nectivorous
- Nuptial flight
- Observatory
- Observer bias
- Orographic lifting
- Orographic rain
- Osmoconformer
- Osmoregulator
- Overexploitation
- Pahoehoe
- Paleomagnetic dating
- Parasitism
- Pelagic
- Percent cover
- Permeability rate
- Pesticide
- Photoquadrat method
- Photosynthesis
- Phytoplankton
- Pipped egg
- Piscivorous
- Pitfall trap
- Plankton
- Plot
- Point-intercept method
- Polygyne
- Polynesian introduction
- Polyp
- Porous
- Potassium-argon dating
- Primary consumers
- Primary producers
- Pupa
- Pyroclastic
- Quantitative
- Queen
- Radio frequency interference
- Radioactive decay
- Radioactivity
- Radiocarbon dating
- Radiometric dating
- Reference course
- Relative humidity
- Relative time scale
- Revetment
- Rhizome
- Runoff
- Salinity
- Sand banks
- Scarping
- Seawall
- Secondary consumers
- Sediment
- Sediment sink
- Sediment source
- Sedimentation
- Shoreline armoring
- Shoreline setback
- Significant
- Sinks
- Soil-moisture storage
- Sources
- Spatter
- Substratum
- Succession
- Succulent
- Surface water
- Sustainable yield
- Swell
- Target screen
- Tephra
- Terrestrial
- Terrigenous
- Tertiary consumers
- Test
- Toxicant
- Trade wind
- Trade wind inversion
- Tramp species
- Transect
- Transpire
- Trophallaxis
- Trophic levels
- Tropical alpine environment
- Tropopause
- Under-rock survey
- Ungulate
- Unicolonial
- Unicolony
- Vertebrate
- Vesicle
- Viable
- Viscosity
- Visual strip-transect search
- Vog
- Volcanic ash
- Volcanic ejecta
- Volcano
- Water budget
- Wayfinder
- Windward ability
- Zonation
- Zooplankton
- Zooxanthellae