|
Rispondi a:
(Not Shown)
Riporta Abuso
Post# A10801287 Viste
Tag:
|
The entire body of the horseshoe crab is protected by a hard carapace.
It has two compound lateral eyes, each composed of about 1,000 ommatidia, plus a pair of median eyes that are able to detect both visible light and ultraviolet light, a single endoparietal eye, and a pair of rudimentary lateral eyes on the top.
The latter become functional just before the embryo hatchesThe Horseshoe Crab For many, the horseshoe crab is a childhood acquaintance, first introduced by a fierce-looking shell on a sandy beach.
For ecologists, the horseshoe is an important creature — a vastly adaptable generalist that predates most species on the planet, with a lifecyle that is interlocked with other animalsCe sont des arthropodes marins ressemblant à des crabes ayant une forme de fer à cheval (d'où le surnom de « crabe fer à cheval »).
Le conservatisme morphologique exceptionnel des Limulidae au cours des 150 derniers millions d'années a conduit à leur réputation de « fossiles vivants »horseshoe crab n.
noun: Refers to person, place, thing, quality, etc.
(large brown crustacean) (Zoologie : crustacé) limule nf.
nom féminin: s'utilise avec les articles "la", "l'" (devant une voyelle ou un h muet), "une".
Ex : fille - nf > On dira " la fille" ou " une fille".
Avec un nom féminin, l'adjectif s'accordeCephalothorax: head and thorax of the horseshoe crab, which together form one section of the body.
Céphalothorax: tête et thorax du limule , soudés ensemble, formant une partie.
The apparatus is, for instance, used to observe clotting reactions in biological systems, for instance the clotting reaction of horseshoe crab amoebocyte upon contact with endotoxinDespite their common name, horseshoe crabs are more closely related to spiders and scorpions than to “true crabs,” which are crustaceans.
They’re in the class Merostomata, which means ..
Fai in Vetrina
Wild Frank
Ricerca Avanzata:
Copyright © 2014 - 2021 Video Programmi Tv Dmax. All Rights Reserved.
