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names in breadcrumbs
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Life
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Arthropod Trophic Ecology Data
Cellularity and growth form
GGBN data coverage
iNaturalist data coverage
Land and Fernald 1992
Mineralogy
Morehouse et al 2017
Namigai et al 2014
NCBI GGBN GBIF BHL BOLDS data coverage
Paleobiology Database
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Wikipedia (inferred records)
gravel
URI:
http://purl.obolibrary.org/obo/ENVO_01000018
Definition:
Gravel is an environmental material which is composed of pieces of rock that are at least two millimeters (2mm) in its largest dimension and no more than 75 millimeters.
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