eol.org

Encyclopedia of Life

n

national museum of natural history (nmnh)

https://www.wikidata.org/entity/Q148554

natural history museum in Washington, D.C.
native range includes

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

Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
natural harbor

http://purl.obolibrary.org/obo/ENVO_00000465

A harbor which is formed by a natural landform where a part of a body of water is protected and deep enough to furnish anchorage.
nature reserve

http://purl.obolibrary.org/obo/ENVO_00000363

A protected area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research. Nature reserves may be designated by government institutions in some countries, such as the United Kingdom, or by private landowners, such as charities and research institutions, regardless of nationality.
nauplius eye

http://purl.obolibrary.org/obo/UBERON_0015170

An eye that consists of a cluster of three or four pit eyes that form a single structural unit but are separated from one another by pigment layers
nauplius stage

http://purl.obolibrary.org/obo/UBERON_0014406

The free-swimming first stage of the larva of certain crustaceans, having an unsegmented body with three pairs of appendages and a single median eye. The eye is known for that reason as the 'naupliar eye', and is often absent in later developmental stages, although it is retained into the adult form in some groups, such as the Notostraca.
near threatened

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

A taxon is Near Threatened when it has been evaluated against the criteria but does not qualify for Critically Endangered, Endangered or Vulnerable now, but is close to qualifying for or is likely to qualify for a threatened category in the near future

http://www.iucnredlist.org/technical-documents/categories-and-criteria

nectarivore

http://www.wikidata.org/entity/Q120880

organism that consumes sugar-rich nectar produced by flowering plants
nectonic

http://www.marinespecies.org/traits/Nekton

Active swimming organisms that live in the water column and are able to move independently of the water mass (adapted from Lincoln et al., 1998).

http://www.marinespecies.org/traits/wiki/Traits:Nekton

nektobenthic

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

Active swimming organisms that live near the bottom a body of water.
nematocysts

https://www.wikidata.org/entity/Q9049242

stinging organelles found in cnidoblast (nematoblast) cells that, when matured, store toxins and can deliver them when the cnidocil (a short extension of the cnidocyst) is stimulated by a prey or another stimulus
neogenen period

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

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

neometabolous

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

A modified form of hemimetabolous development, with resting stages resembling the holometabolous pupa.
neonate

http://purl.obolibrary.org/obo/UBERON_0007221

Of or pertaining to the period of time immediately following birth, or to the newborn.
neoproterozoic era

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

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

neotype

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

A specimen designated as nomenclatural type subsequent to the publication of the original description in cases where the original holotype, lectotype, all paratypes and syntypes are lost or destroyed, or suppressed by the (botanical or zoological) commission on nomenclature. In zoology also called "Standard specimen" or "Representative specimen". [Zoo./Bot./Bio.]
neritic pelagic zone

http://purl.obolibrary.org/obo/ENVO_01000032

The neritic epipelagic zone biome comprises the marine water column above a continental shelf.
neritic zone

http://purl.obolibrary.org/obo/ENVO_00000206

The water mass of an ocean directly above a continental shelf.
nervous system

http://purl.obolibrary.org/obo/NCIT_C12755

The entire nerve apparatus, composed of a central part, the brain and spinal cord, and a peripheral part, the cranial and spinal nerves, autonomic ganglia, and plexuses.
nervous system diseases

http://purl.bioontology.org/ontology/MESH/D009422

nestling

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

net carbon fixation rate

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

net amount or mass of carbon converted from CO2 to organic compounds, per time
neuston

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

Small aquatic organisms inhabiting the surface layer or moving on the surface film.

https://www.lexico.com/en/definition/neuston

newborn animal

http://purl.bioontology.org/ontology/CSP/0070-1441

ng/g/hour

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

Nanogram per gram per hour
ng/kg/min

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

Nanogram per kilogram per minute
nitrogen fixation

http://purl.obolibrary.org/obo/GO_0009399

The process in which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes, such as ammonia, nitrate and nitrogen dioxide.

[database_cross_reference: Wikipedia:Nitrogen_fixation]

nmol/g

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

A concentration unit equal to one billionth of a mole (or 10^[-9] mol) of a substance per gram total mass of a solution, mixture or structure
nmol/g/hr

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

Nanomoles per gram per hour
no

http://eol.org/schema/terms/no

This statement is false; the answer to this question is no.
no harem

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

no mushroom cap

https://www.wikidata.org/entity/Q19887965

mushroom without a cap-like part
no parental care

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

no paternal care

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

no social group living

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

nocturnal

http://www.wikidata.org/entity/Q309179

animal behavior characterized by activity during the night and sleeping during the day
nocturnal/crepuscular, cathemeral, crepuscular or diurnal/crepuscular

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

An organism that is nocturnal/crepuscular, cathemeral, crepuscular or diurnal/crepuscular
non-breeding

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

non-cursorial

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

This organism is not adapted for running.

http://en.wikipedia.org/wiki/Cursorial

non-selective deposit feeder

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

An organism that feeds on mud or sand and shows little discrimination in the size or type of particles eaten. The sediment is ingested and any digestible organic material is assimilated as it passes through the alimentary canal.
non-trophic

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

animal life stage that does not ingest food
non-wetland

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

non-wetland terrestrial habitat

Lichvar, R.W. and Minkin, P. 2008. Concepts and procedures for updating the National Wetland Plant List. U.S. Army Corps of Engineers, Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory ERDC/CRREL TN-08-3, http://rsgisias.crrel.usace.army.mil/NWPL/static/cfg/doc/pdl_2013_pub/National/NWPL_Phytoneuron_2013.pdf

non-woody epiphyte

http://eol.org/schema/terms/non-woodyEpipyte

Non-woody plants growing attached to external support without contact to the ground. Non-woody hemiepiphytes either germinate on other plants and then establish roots in the ground, or germinate on the ground and later disconnect from the soil

Engemann, K. , Sandel, B. , Boyle, B. , Enquist, B. J., Jørgensen, P. M., Kattge, J. , McGill, B. J., Morueta‐Holme, N. , Peet, R. K., Spencer, N. J., Violle, C. , Wiser, S. K. and Svenning, J. (2016), A plant growth form dataset for the New World. Ecology, 97: 3243-3243. doi:10.1002/ecy.1569

nonadecanoic acid

http://purl.obolibrary.org/obo/CHEBI_39246

none

http://purl.bioontology.org/ontology/SNOMEDCT/260413007

norian age

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

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

North Sea

http://www.geonames.org/2960848

https://en.wikipedia.org/wiki/North_Sea
northern arctic dwarf shrub subzone

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

Zone B, per the Circumpolar Arctic Vegetation Map (CAVM Team 2003)

http://www.arcticatlas.org/maps/themes/cp/cpbz

Northwest Territories

http://www.wikidata.org/entity/Q2007

not at risk

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

This species or population is not presently at risk of extinction
not invasive in

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

not monogamous

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

not present in region

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

This organism is known to be absent in this location or region
nuchal organ

https://www.wikidata.org/entity/Q2655439

ciliated pit or groove present at the posterior end of the prostomium of annelid worms, some cephalopods, and other invertebrates
nucleus length

http://purl.obolibrary.org/obo/OBA_1000083

A 1D measurement of a nucleus along its longest axis.

From Ontology of Biological Attributes

nucleus width

http://purl.obolibrary.org/obo/OBA_1000085

A 1D measurement of a nucleus along its shortest axis.

from Ontology of Biological Attributes

number of fossil occurrences

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

The number of fossil occurrences in the Paleobiology Database (https://paleobiodb.org) that are identified as belonging to a particular taxon or any of its subtaxa.
number of hosts

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

number of host species required to complete the lifecycle of this organism
number of public records in bold

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

number of records in this clade in the Barcode Of Life Database (BOLD)
nunatak

http://purl.obolibrary.org/obo/ENVO_00000181

The exposed summit of a ridge, mountain, or peak not covered with ice or snow within an ice field or glacier. The term is typically used in areas where a permanent ice mass is present.
Nunavut

http://www.wikidata.org/entity/Q2023

nutrient composition of milk

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

nutrient symbiotroph

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

An organism that acquires chemical nutrients from a symbiont
nutritional value

https://www.wikidata.org/entity/Q2075931

nymph

http://purl.obolibrary.org/obo/BTO_0000954

Any of various immature insects; especially: a larva of an insect (as a grasshopper, true bug, or mayfly) with incomplete metamorphosis that differs from the imago especially in size and in its incompletely developed wings and genitalia.