Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
chaetognath .
Etymologies
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Examples
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There are only 80 species of euphausiids, 50 of chaetognaths, about 40 of pteropods and less than 2000 for the most diverse group, the calanoid copepods.
Marine biodiversity 2007
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There are only 80 species of euphausiids, 50 of chaetognaths, about 40 of pteropods and less than 2000 for the most diverse group, the calanoid copepods.
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Barcoding analysis was highly successful at discriminating described species of chaetognaths across the phylum, and revealed little geographical structure.
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To better understand how these complex evolutionary and geographic variables are reflected in the species makeup of chaetognaths, we analyze DNA barcodes of the mitochondrial cytochrome oxidase c subunit I (COI) gene, from 52 specimens of
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Five zooplankton groups account for over 99 percent of the biomass: copepods (Neocalanus cristatus, N. plumchrus, N. flemingeri), euphausiids (Euphausia pacifica, Thysanoessa longipes), chaetognaths (Sagitta elegans), amphipods (Themisto japonica, Primno macropa, Cyphocaris challengeri), and mysids (Meterythrops microphathalma).
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