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The annelids /ˈænəlɪdz/ , also known as the segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches. The species exist in and have adapted to various ecologies – some in marine environments as distinct as tidal zones and hydrothermal vents, others in … Meer weergeven
There are over 22,000 living annelid species, ranging in size from microscopic to the Australian giant Gippsland earthworm and Amynthas mekongianus, which can both grow up to 3 meters (9.8 ft) long to the … Meer weergeven
Segmentation
In addition to Sipuncula and Echiura, also lineages like Lobatocerebrum, Diurodrilus and Polygordius have lost their segmentation, … Meer weergevenEarthworms make a significant contribution to soil fertility. The rear end of the Palolo worm, a marine polychaete that tunnels … Meer weergeven
• Media related to Annelida at Wikimedia Commons
• Data related to Annelida at Wikispecies Meer weergevenNo single feature distinguishes Annelids from other invertebrate phyla, but they have a distinctive combination of features. Their bodies … Meer weergeven
Charles Darwin's book The Formation of Vegetable Mould Through the Action of Worms (1881) presented the first scientific analysis of earthworms' contributions to soil fertility. … Meer weergeven
Fossil record
Since annelids are soft-bodied, their fossils are rare. Polychaetes' fossil record consists … Meer weergevenWikipedia-tekst onder CC-BY-SA-licensie Regenwormen - Wikipedia
WEBRegenwormen (Lumbricidae) zijn een familie van ongewervelde dieren die behoren tot de ringwormen (Annelida). Regenwormen behoren tot de oligochaeten, een groep van wormen die de zee verlaten hebben en in zoetwater maar ook op het land kunnen leven. Regenwormen komen wereldwijd algemeen voor, uitgezonderd in droge klimaten en op …
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Annelid - Simple English Wikipedia, the free encyclopedia
WEBAnnelids are a phylum of invertebrate worms. They are the segmented worms, with over 17,000 known species. Well known species are earthworms and leeches. Annelids can be found in most wet environments. Some of these species are parasitic or mutualistic. This means they live together with (or inside) another organism.
33.6: Annelids (Annelida) - Biology LibreTexts
WEBApproximately 16,500 species have been described in phylum Annelida. The phylum includes earthworms, polychaete worms, and leeches. Annelids show protostomic development in embryonic stages and are often called “segmented worms” due to their key characteristic of metamerism, or true segmentation.
The origin of annelids - Parry - 2014 - Wiley Online Library
WEB12 sep. 2014 · Annelids are a phylum of segmented bilaterian animals that have become important components of ecosystems spanning terrestrial realms to the deep sea. Annelids are remarkably diverse, possessing high taxonomic diversity and exceptional morphological disparity, and have evolved numerous feeding strategies and ecologies.
The Nereididae (Annelida) – diagnoses, descriptions, and a key …
WEB11 okt. 2023 · Nereididae is among the most familiar of marine annelid families, common and well-studied in most marine environments but paradoxically no recent key or identification guide exists to the world’s genera.
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