Pluteus Larva Encyclopedia MDPI
Por um escritor misterioso
Last updated 28 março 2025

An echinoderm (/ɪˈkaɪnəˌdɜːrm, ˈɛkə-/) is any member of the phylum Echinodermata (/ɪˌkaɪnoʊˈdɜːrmətə/). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies or "stone lilies". Adult echinoderms are found on the sea bed at every ocean depth, from the intertidal zone to the abyssal zone. The phylum contains about 7,000 living species, making it the second-largest grouping of deuterostomes, after the chordates. Echinoderms are the largest entirely marine phylum. The first definitive echinoderms appeared near the start of the Cambrian. The echinoderms are important both ecologically and geologically. Ecologically, there are few other groupings so abundant in the biotic desert of the deep sea, as well as shallower oceans. Most echinoderms are able to reproduce asexually and regenerate tissue, organs, and limbs; in some cases, they can undergo complete regeneration from a single limb. Geologically, the value of echinoderms is in their ossified skeletons, which are major contributors to many limestone formations, and can provide valuable clues as to the geological environment. They were the most used species in regenerative research in the 19th and 20th centuries. Further, some scientists hold that the radiation of echinoderms was responsible for the Mesozoic Marine Revolution.

Biology, Free Full-Text

JMSE, Free Full-Text

Sea Urchin Encyclopedia MDPI

Pluteus Larva Encyclopedia MDPI

Cells, Free Full-Text

Cells, Free Full-Text

Animals, Free Full-Text

Marine Drugs, Free Full-Text

Pluteus Larva Encyclopedia MDPI
Recomendado para você
-
Sea of Stars – Vaadhoo, Maldives - Atlas Obscura28 março 2025
-
Is Sea of Stars on PS Plus? Gameplay, Wiki and More - News28 março 2025
-
Boss Guides - Sea of Stars Guide - IGN28 março 2025
-
Luana, Sea of Stars Wiki28 março 2025
-
Choriaster - Wikipedia28 março 2025
-
A keystone species. Where are stars !have they gone…28 março 2025
-
Water Vascular System - Wikipedia, The Free Encyclopedia PDF28 março 2025
-
Seastar28 março 2025
-
Mario + Rabbids Sparks of Hope - Super Mario Wiki, the Mario28 março 2025
-
The Silver Stars of Sea Slide - Super Mario Wiki, the Mario encyclopedia28 março 2025
você pode gostar
-
Grindcraft - Jogue online em Coolmath Games28 março 2025
-
Vetores e ilustrações de Boneca fofa para download gratuito28 março 2025
-
Quiz do Meio Ambiente – Inteligência Educacional28 março 2025
-
Super Mario 3d All-stars - Nintendo Switch : Target28 março 2025
-
Inspirações de maquiagem simples e bonita para reproduzir - Se Ajeita Menina28 março 2025
-
Legacies by karol *‧.₊˚* - Banco de Séries28 março 2025
-
Erased - Characters [Casts] [Boku Dake ga Inai Machi] iPad Case & Skin for Sale by -Kaori28 março 2025
-
ALL NEW SEPTEMBER 2021 ROBLOX PROMO CODES! New Promo Code Working28 março 2025
-
BeautyRoams28 março 2025
-
Game Bắn súng Online 2 - Aim Clash 2 - Game Vui28 março 2025