Encyclopedia of Life (original) (raw)

The marine abyssal zone biome comprises regions of the marine benthic biome between approximately 2500 m and 6000 m depth. This zone generally coincides with the continental rise and the abyssal plain.

abyssal zone (4000-6000m)

http://polytraits.lifewatchgreece.eu/terms/DZ\_ABY

abyssalpelagic zone

http://purl.obolibrary.org/obo/ENVO\_00000212

The zone of the ocean below the bathypelagic zone, with its lowest boundary at about 6000m.

achenes

http://purl.obolibrary.org/obo/PO\_0030107

a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle

acicular (needle-like)

http://eol.org/schema/terms/acicular

Slender and pointed, needle-like

acid hot spring

http://purl.obolibrary.org/obo/ENVO\_00002120

A hot spring whose water has an acidic pH.

acid mine drainage

http://purl.obolibrary.org/obo/ENVO\_00001997

A mine drainage with an acidic pH.

acidic freshwater mining lake

http://eol.org/schema/terms/acidicFreshwaterMiningLake

acidic soil

http://purl.obolibrary.org/obo/EO\_0007059

active forager

http://eol.org/schema/terms/activeForaging

An organism which obtains food primarily by active searching.

active growth period

http://eol.org/schema/terms/ActiveGrowthPeriod

The growing season of a plant. The time of year when a plant has its most active growth.

actively mobile

http://eol.org/schema/terms/activelyMobile

uses self-propelled locomotion to change location on a regular basis

actual evapotranspiration rate in geographic range

http://eol.org/schema/terms/AETinRange

Monthly AET (Actual Evapotranspiration Rate) within the geographic range of a taxon. Evapotranspiration (ET) is the sum of evaporation and plant transpiration from the Earth's land surface to atmosphere.

https://en.wikipedia.org/w/index.php?title=Evapotranspiration&oldid=575637212

adaptive strategy

http://eol.org/schema/terms/adaptiveStrategy

mechanisms and responses used by organisms to reproduce, defend, survive, and compete on the landscape.

https://doi.org/10.1111/j.1365-2745.2005.01043.x

adhesive

http://purl.obolibrary.org/obo/PATO\_0002331

adobe soil

http://purl.obolibrary.org/obo/ENVO\_00002870

adolescaria

http://eol.org/schema/terms/adolescaria

late larval trematode or a developing trematode not yet attained sexual maturity

http://www.merriam-webstercollegiate.com/dictionary/adolescarial

adolescent

http://purl.obolibrary.org/obo/PATO\_0001189

of an age between the onset of puberty and maturity

adult

http://www.ebi.ac.uk/efo/EFO\_0001272

A maturity quality inhering in an individual by virtue of the individual having attained sexual maturity and full growth

adult and juvenile

http://eol.org/schema/terms/adultAndJuvenile

adult and juvenile individuals are present

adult and larva

http://eol.org/schema/terms/adultAndLarva

adult and larval individuals are present

adult and nymph

http://eol.org/schema/terms/adultAndNymph

adult and nymph stage individuals are present

adult and pupa

http://eol.org/schema/terms/adultAndPupa

adult and pupal stage individuals are present

adult and subadult

http://eol.org/schema/terms/adultAndSubadult

adult and subadult individuals are present

adult yearly survival

http://eol.org/schema/terms/AdultYearlySurvival

adventive in

https://eol.org/schema/terms/adventive

Simpson, A., Eyler, M.C., Sikes, D., Bowser, M., Sellers, E., Guala, G.F., Cannister, M., Libby, R., and Kozlowski, N., 2019, A comprehensive list of non-native species established in three major regions of the United States: Version 2.0, (ver. 2.0, 2019): U.S. Geological Survey data release, https://doi.org/10.5066/P9E5K160\. A possibly ambiguous term used to describe the presence of the taxon in a region. Common definitions include newly arrived; vagrant; in flux. May or may not have been introduced by human activity.

aerial

http://purl.obolibrary.org/obo/NBO\_0000366

Behavior related to the movement of an organism from one location to another through the air.

aerial habitat

http://purl.obolibrary.org/obo/ENVO\_00000568

A habitat that is solely in the air.

aeronian age

http://resource.geosciml.org/classifier/ics/ischart/Aeronian

International Chronostratigraphic Chart, http://www.stratigraphy.org/index.php/ics-chart-timescale

aerosol

http://purl.obolibrary.org/obo/ENVO\_00010505

Airborne solid particles (also called dust or particulate matter (PM)) or liquid droplets.

after harvest regrowth rate

http://eol.org/schema/terms/AfterHarvestRegrowthRate

Indicates the relative rate of regrowth of a herbaceous plant after a harvest of above ground herbage.

USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html

agatoxins

http://purl.obolibrary.org/obo/OMIT\_0027854

neurotoxin group originally described from spiders

Billen B, Vassilevski A, Nikolsky A, Debaveye S, Tytgat J, Grishin E. Unique bell-shaped voltage-dependent modulation of Na+ channel gating by novel insect-selective toxins from the spider Agelena orientalis, J Biol Chem., 2010, vol. 285 (pg. 18545-18554)

age at dispersal

http://eol.org/schema/terms/age At Dispersal

age at eye opening

http://eol.org/schema/terms/AgeAtEyeOpening

Age at which both eyes are fully open after birth.

Kate E. Jones, Jon Bielby, Marcel Cardillo, Susanne A. Fritz, Justin O''Dell, C. David L. Orme, Kamran Safi, Wes Sechrest, Elizabeth H. Boakes, Chris Carbone, Christina Connolly, Michael J. Cutts, Janine K. Foster, Richard Grenyer, Michael Habib, Christopher A. Plaster, Samantha A. Price, Elizabeth A. Rigby, Janna Rist, Amber Teacher, Olaf R. P. Bininda-Emonds, John L. Gittleman, Georgina M. Mace, and Andy Purvis. 2009. PanTHERIA, a species-level database of life history, ecology, and geography of extant and recently extinct mammals. Ecology 90:2648. http://esapubs.org/archive/ecol/E090/184/

age at first reproduction

http://polytraits.lifewatchgreece.eu/terms/MAT

age at maturity

http://eol.org/schema/terms/AgeAtMaturity

Age at the first successful reproduction.

aggregative multicellular

http://eol.org/schema/terms/aggregativeMulticellular

facultative multicellular organisation through aggregation of genetically distinct cells

agricultural

http://purl.obolibrary.org/obo/ENVO\_00000077

agricultural material

http://purl.obolibrary.org/obo/ENVO\_0010003

agricultural soil

http://purl.obolibrary.org/obo/ENVO\_00002259

agricultural terrace

http://purl.obolibrary.org/obo/ENVO\_00000519

agricultural waste

http://purl.obolibrary.org/obo/ENVO\_00002265

Wastewater produced in the course of agricultural activities

agricultural waste

http://purl.obolibrary.org/obo/ENVO\_01000371

waste produced as a result of various agricultural operations. It includes manure and other wastes from farms, poultry houses and slaughterhouses; harvest waste; fertilizer run- off from fields; pesticides that enter into water, air or soils; and salt and silt drained from fields

alatoid nymph

http://eol.org/schema/terms/alatoidNymph

having some features of a winged (alate) adult aphid. For example immature winged forms with wing buds

albian age

http://resource.geosciml.org/classifier/ics/ischart/Albian

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

algae

https://www.wikidata.org/entity/Q37868

polyphyletic group of photosynthetic nonvascular organisms

algal filament

http://eol.org/schema/terms/algal\_filament

filaments consist of series of cells being joined end to end giving a thread-like appearance.

https://www.algae.info/

algivore

https://www.wikidata.org/entity/Q7486201

consumer that eats algae

alkaline environment

http://purl.obolibrary.org/obo/ENVO\_01000316

An alkaline environment is an environment in which entities are exposed to high pH, typically greater than a pH of 9

Gymnodiniales Traits

alkaline flat

http://purl.obolibrary.org/obo/ENVO\_00000196

A dry lakebead consisting of fine-grained sediments infused with alkali salts. Generally the shore or bed of an endorheic lake.

alkaline habitat

http://purl.obolibrary.org/obo/ENVO\_00002022

A biome in which the pH is >pH9. Inhabited by alkaliphilic organisms.

alkaline hot spring

http://purl.obolibrary.org/obo/ENVO\_00002119

A hot spring whose water has an alkaline pH.

allolectotype

http://rs.tdwg.org/ontology/voc/TaxonName#Allolectotype

A paralectotype specimen that is the opposite sex of the lectotype. The term is not regulated by the ICZN. [Zoo.]

alloneotype

http://rs.tdwg.org/ontology/voc/TaxonName#Alloneotype

A paraneotype specimen that is the opposite sex of the neotype. The term is not regulated by the ICZN. [Zoo.]

allotype

http://rs.tdwg.org/ontology/voc/TaxonName#Allotype

A paratype specimen designated from the type series by the original author that is the opposite sex of the holotype. The term is not regulated by the ICZN. [Zoo.]

alluvial fan

http://purl.obolibrary.org/obo/ENVO\_00000314

A fan-shaped deposit formed where a fast flowing stream flattens, slows, and spreads typically at the exit of a canyon onto a flatter plain.

alluvial plain

http://purl.obolibrary.org/obo/ENVO\_00000258

A relatively flat and gently sloping landform found at the base of a range of hills or mountains, formed by the deposition of alluvial soil over a long period of time by one or more streams coming from the mountains.

alluvial soil

http://purl.obolibrary.org/obo/ENVO\_00002871

alpine glacier

http://purl.obolibrary.org/obo/ENVO\_00000085

A glacier found in mountain terrain.

alpine soil

http://purl.obolibrary.org/obo/ENVO\_00005741

alternate

http://purl.obolibrary.org/obo/PATO\_0001932

placed alternately one above the other.

alternation of generations

https://www.wikidata.org/entity/Q725951

reproductive strategy in which a sexually reproducing form alternates with an asexually reproducing form

ambush predator

http://eol.org/schema/terms/ambush

organisms that capture or trap prey by stealth or by strategy (typically not conscious strategy), rather than by speed or by strength.

ametabolous

http://eol.org/schema/terms/ametabolous

Development of insects without the process of metamorphosis, resulting in little change in body form during growth and molting.

amoeba

http://www.wikidata.org/entity/Q506524

cell or unicellular organism that uses pseudopods for locomotion and feeding

amoeboflagellate

http://eol.org/schema/terms/amoeboflagellate

A unicellular organism that features both flagella and pseudopods, either simultaneously or during different phases of the life cycle.

ampharetid feeder

https://eol.org/schema/terms/ampharetid\_feeder

a carnivore that feeds primarily on ampharetid worms (Ampharetidae)

amphibious

http://eol.org/schema/terms/amphibious

organism that is adapted to both life on land and in the water.

amphid

https://www.wikidata.org/entity/Q3741854

the principal olfactosensory organs of nematodes; innervated invaginations of the cuticle, usually found in the anterior (head) region of the animal, at the base of the lips

amphidromous

http://purl.obolibrary.org/obo/FOODON\_03413450

Amphidromous fish move between fresh and salt water during some part of life cycle, but not for breeding

anabranch

http://purl.obolibrary.org/obo/ENVO\_00000152

A section of a river or stream that diverts from the main course and rejoins later.

anadromous

http://purl.obolibrary.org/obo/FOODON\_03413448

Anadromous fish live in the sea mostly, breed in fresh water; the best-known are salmon, which hatch in small freshwater streams, go down to the sea and live there for several years, then return to the same streams where they were hatched, spawn, and die shortly thereafter.

anadromous (leaves)

http://eol.org/schema/terms/anadromous

a venation pattern in which the first vein in a given segment arises on the side of the leaf segment toward the apex

http://sweetgum.nybg.org/science/glossary/glossary-details/?irn=252

anaerobic

http://purl.obolibrary.org/obo/PATO\_0001456

A quality inhering in a bearer by virtue of the bearers independence on oxygen. [ PATOC : GVG ]

anaerobic mud

http://purl.obolibrary.org/obo/ENVO\_00002133

anaerobic sediment

http://purl.obolibrary.org/obo/ENVO\_00002045

Sediment characterised by the absence of oxygen.

anaerobic soil tolerance

http://eol.org/schema/terms/AnaerobicSoilTolerance

The relative tolerance of the plant to anaerobic soil conditions.

USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html

anal and dorsal fin swimming

https://eol.org/schema/terms/anal\_dorsal\_fins

swimming mainly using undulations of anal and dorsal fins

anal fin swimming

https://eol.org/schema/terms/anal\_fin

swimming mainly using undulations of the anal fin

androdioecious

https://www.wikidata.org/entity/Q512190

a reproductive system characterized by the presence of male flowers on some plants, and bisexual flowers on others

andromonoecious

https://eol.org/schema/terms/andromonoecious

having both bisexual and male flowers on the same plant

https://en.wikipedia.org/wiki/Plant\_reproductive\_morphology

androviviparous

http://eol.org/schema/terms/androviviparous

Having paternal care wherein eggs are incubated internally by the father, and young emerge post-hatching

anemochory

http://eol.org/schema/terms/anemochory

Seed dispersal by wind (with wind dispersal adaptations, such as pappus or wings).

http://www.uv.es/jgpausas/brot.htm

anguilliform swimming

https://eol.org/schema/terms/anguilliform

Body/caudal fin propulsion, with little increase in the amplitude of the flexion wave as it passes along the body

https://en.wikipedia.org/wiki/Fish\_locomotion#Anguilliform

animal habitation

http://purl.obolibrary.org/obo/ENVO\_00005803

The dwelling of an animal or group of similar animals.

animal litter

http://purl.obolibrary.org/obo/ENVO\_00002191

Straw or other material strewn in an animal's enclosure (e.g. a stable) for it to sleep on and to absorb its faeces and urine.

animal population density

http://purl.bioontology.org/ontology/CSP/2383-1863

Number of animals in a population relative to space.

animal waste

http://purl.obolibrary.org/obo/ENVO\_00002276

anisian age

http://resource.geosciml.org/classifier/ics/ischart/Anisian

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

annual

http://purl.obolibrary.org/obo/FLOPO\_0980071

Of plant duration, a plant whose life span ends within one year after germination, e.g. a winter annual germinating in the autumn and flowering in the spring (esp. in Mediterranean climates), approximately synonymous to therophyte, c.f. biennial, ephemeral, perennial, c.f. also of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic.

Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. Glossary, http://www.mobot.org/mobot/research/apweb/top/glossarya\_h.html#annual

annual precipitation

http://eol.org/schema/terms/AnnualPrecipitation

Total depth of precipitation fallen in a given location in one year, if converted to liquid form. Precipitation is any product of the condensation of atmospheric water vapour that falls under gravity.

https://en.wikipedia.org/wiki/Precipitation

anoxic water

http://purl.obolibrary.org/obo/ENVO\_01000173

Water depleted of dissolved oxygen.

ante-isooctadecanoic acid

http://eol.org/schema/terms/ante-isooctadecanoic\_acid

ante-isotetradecanoic acid

http://eol.org/schema/terms/anteisotetradecanoic\_acid

http://purl.obolibrary.org/obo/BSPO\_0000055

An anatomical region that is the entire part of an anatomical structure anterior to a transverse plane or midpoint of body length

Spatial Reference Ontology

anther

http://purl.obolibrary.org/obo/PO\_0009066

the pollen-bearing part of a stamen of a flower

anthropogenic

http://purl.obolibrary.org/obo/ENVO\_00000002

a geographic feature resulting from the influence of human beings on nature.

anthropogenic environmental material

http://purl.obolibrary.org/obo/ENVO\_0010001

Anthropogenic material in or on which organisms may live.

anthropogenic terrestrial

http://purl.obolibrary.org/obo/ENVO\_01000219

An anthropogenic terrestrial biome is a terrestrial biome which has community structures determined by human activity.

apatite

http://purl.obolibrary.org/obo/CHEBI\_52254

A phosphate mineral with the general formula Ca5(PO4)3X where X = OH, F or Cl

apical

http://purl.obolibrary.org/obo/NCIT\_C25423

relating to or located at the tip or apex

apomictic

https://www.wikidata.org/entity/Q528033

replacement of the normal sexual reproduction by asexual reproduction, without fertilization

apparently_secure

https://eol.org/schema/terms/apparently\_secure

At a fairly low risk of extirpation in the jurisdiction due to an extensive range and/or many populations or occurrences, but with possible cause for some concern as a result of local recent declines, threats, or other factors.

http://www.natureserve.org/conservation-tools/conservation-status-assessment

apposition eyes

http://purl.obolibrary.org/obo/IDOMAL\_0002229

A compound eye with no separation between the crystalline-cone layer and the retinula, each rhabdom receiving light only from its own corneal lens.

appressed

http://purl.obolibrary.org/obo/TO\_0000912

lying close to and flat against a surface of a plant structure, for instance a stem

apterous

http://eol.org/schema/terms/apterous

Wings are absent.

apterous nymph

http://eol.org/schema/terms/apterousNymph

nymph lacking wings. Apterous aphids may be immature or adult, but (confusingly) the term apterae can also refer to wingless adults

aptian age

http://resource.geosciml.org/classifier/ics/ischart/Aptian

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

aquaduct

http://purl.obolibrary.org/obo/ENVO\_00000072

Structure designed to transport water from a remote source, usually by gravity.

aquatic

http://purl.obolibrary.org/obo/ENVO\_00002030

A habitat that is in or on water

aquatic (locomotion)

http://purl.obolibrary.org/obo/NBO\_0000371

movement of an organism from one location to another through a liquid medium

aquatic adapted

http://eol.org/schema/terms/aquatic

organism that is adapted to life in the water

aquatic habitat

http://purl.obolibrary.org/obo/ENVO\_00000144

A habitat that is in or on water.

aquatic plant

http://purl.obolibrary.org/obo/FLOPO\_0900044

whole plant aquatic

aquifer

http://purl.obolibrary.org/obo/ENVO\_00012408

An underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, silt, or clay) from which groundwater can be usefully extracted using a water well.

aquitanian age

http://resource.geosciml.org/classifier/ics/ischart/Aquitanian

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

arable soil

http://purl.obolibrary.org/obo/ENVO\_00005742

Soil capable of supporting the growth of crops.

aragonite

http://purl.obolibrary.org/obo/CHEBI\_52239

Calcium carbonate (CO3Ca), aragonite structure

aragonite saturation state

http://eol.org/schema/terms/aragonite\_saturation\_state

the degree to which seawater is saturated with respect to the aragonite form of calcium carbonate.

https://coralreefwatch.noaa.gov/satellite/oa/description/oaps\_intro\_aragonite\_ss.php

arboreal (locomotion)

http://purl.obolibrary.org/obo/NBO\_0000364

Behavior related to the locomotion of animals in trees.

arboreal habitat

http://purl.obolibrary.org/obo/ENVO\_00000571

A habitat in or on trees.

arborescent

http://eol.org/schema/terms/arborescent

Of habit, resembling a tree, a term applied to non-woody plants attaining tree height and to shrubs tending to become tree-like in size

Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. http://www.mobot.org/mobot/research/apweb/top/glossarya\_h.html#C

archean eon

http://resource.geosciml.org/classifier/ics/ischart/Archean

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

are commensal with

http://purl.obolibrary.org/obo/RO\_0002441

two organisms living together in more or less intimate association in a relationship in which one benefits and the other is unaffected

are dispersal vectors for

http://eol.org/schema/terms/DispersalVectorFor

are dispersed by

http://eol.org/schema/terms/HasDispersalVector

which agent of biological dispersal moves a dispersal unit, or organism, away from its birth population to another location or population in which the individual will reproduce.

https://en.wikipedia.org/wiki/Dispersal\_vector

are eaten by

http://purl.obolibrary.org/obo/RO\_0002471

are ecologically related to

http://purl.obolibrary.org/obo/RO\_0002321

A relationship that is mediated in some way by the environment or environmental feature

are ectoparasites of

http://purl.obolibrary.org/obo/RO\_0002632

are endoparasites of

http://purl.obolibrary.org/obo/RO\_0002634

are endosymbionts of

https://eol.org/schema/terms/endosymbiontOf

The smaller partner living in close association, living inside the host

are epibionts of

https://eol.org/schema/terms/epibiontOf

The smaller partner living in close association, attached to the surface of

are epiphytes of

http://purl.obolibrary.org/obo/RO\_0008501

are host of

http://purl.obolibrary.org/obo/RO\_0002453

From OBO Relation Ontology

are killed by

http://purl.obolibrary.org/obo/RO\_0002627

are kleptoparasitized by

http://purl.obolibrary.org/obo/RO\_0008504

are mutualistic with

http://purl.obolibrary.org/obo/RO\_0002442

An interaction relationship between two organisms living together in more or less intimate association in a relationship in which both organisms benefit from each other

Arctic Lichen Ecology

are parasitized by

http://purl.obolibrary.org/obo/RO\_0002445

Global Biotic Interactions

are parasitoids of

http://purl.obolibrary.org/obo/RO\_0002208

are pathogens of

http://purl.obolibrary.org/obo/RO\_0002556

are pollinated by

http://purl.obolibrary.org/obo/RO\_0002456

are preyed upon by

http://polytraits.lifewatchgreece.eu/terms/PRED

are preyed upon by

http://purl.obolibrary.org/obo/RO\_0002458

are symbionts of

http://purl.obolibrary.org/obo/RO\_0002440

The smaller partner living in close association with

are vectors for

http://purl.obolibrary.org/obo/RO\_0002459

are visited by

http://purl.obolibrary.org/obo/RO\_0002619

area

http://purl.obolibrary.org/obo/PATO\_0001709

arete

http://purl.obolibrary.org/obo/ENVO\_00000429

A thin, almost knife-like, ridge of rock which is typically formed when two glaciers erode parallel U-shaped valleys. The arte is a thin ridge of rock that is left separating the two valleys. Artes can also form when two glacial cirques erode towards one another, although frequently this results in a saddle-shaped pass, called a col.

arid

http://purl.obolibrary.org/obo/ENVO\_01000230

An arid condition is an environmental condition in which annual precipitation is less than half of annual potential evapotranspiration.

arm

https://eol.org/schema/terms/arm

appendage which may be used for palpation, manipulation or locomotion

arm plus disc length

http://eol.org/schema/terms/ArmPlusDiscLength

arthropod legs

https://www.wikidata.org/entity/Q3133438

locomotory appendage of arthropods

articulate

http://eol.org/schema/terms/articulate

Jointed; separating freely, leaving a clean scar; e.g. the fronds of certain ferns where they join the rhizome.

https://en.wikipedia.org/wiki/Glossary\_of\_botanical\_terms

artinskian age

http://resource.geosciml.org/classifier/ics/ischart/Artinskian

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

asexual reproduction

http://purl.obolibrary.org/obo/GO\_0019954

Capable of the biological process in which new individuals are produced by either a single cell or a group of cells, in the absence of any sexual process.

ash content

http://eol.org/schema/terms/Ash\_content

asselian age

http://resource.geosciml.org/classifier/ics/ischart/Asselian

International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

assessor(s)

http://eol.org/schema/terms/Assessor

associated media

http://rs.tdwg.org/dwc/terms/associatedMedia

A list (concatenated and separated) of identifiers (publication, global unique identifier, URI) of media associated with the Occurrence.

associated sequences

http://rs.tdwg.org/dwc/terms/associatedSequences

A list (concatenated and separated) of identifiers (publication, global unique identifier, URI) of genetic sequence information associated with the Occurrence.

at least short-persistent

http://eol.org/schema/terms/atLeastShortPersistentSeedBank

Of seed bank longevity. Seed bank longevity is > 1 and at least <= 5 yr (could be longer but it is unknown).

http://www.uv.es/jgpausas/brot.htm

atoll

http://purl.obolibrary.org/obo/ENVO\_00000166

An oceanic island, often having a characteristic ring-like shape surrounding a lagoon. Atolls are formed when coral reef grows around a volcanic island that later subsides into the ocean.

attenuation coefficient

https://www.wikidata.org/entity/Q902086

characterizes how easily a material can be penetrated, usually by a beam of light, or sometimes other energy or matter

auditory system

http://purl.obolibrary.org/obo/UBERON\_0016490

the sensory system for the sense of hearing

autochory

http://eol.org/schema/terms/autochory

Seed dispersal by gravity, without the assistance of any dispersal vector (= unassisted dispersal).

http://www.uv.es/jgpausas/brot.htm

autotrophy

http://purl.obolibrary.org/obo/ECOCORE\_00000009

any trophic interaction which has as input some inorganic material (non-living) that is the only source of carbon or reducing equivalents source is a autotrophic process

average

http://eol.org/schema/terms/average

A vague term indicating a measure of central tendency, like a mean, median, or a more complex measure like a mean of subgrouped means

avivore

https://www.wikidata.org/entity/Q4829056

animal that preys on and eats birds