What does the Latin word Mollusca mean?
What does the Latin word Mollusca mean?
soft-bodied
Mollusca, meaning “soft-bodied,” is one of the largest phylums in the animal kingdom. The word mollusc (or mollusk) derives from the Latin word “mollis,” which means “soft.” There are an estimated 200,000 species of mollusk worldwide accounting for nearly a quarter of all marine life.
Where does the word Mollusca come from?
The words mollusc and mollusk are both derived from the French mollusque, which originated from the Latin molluscus, from mollis, soft.
What is the scientific name for Mollusca?
Mollusca
Mollusca/Scientific names
What does the term Gastropoda mean?
: a large class of mollusks (as snails) with a univalve shell or none and usually with a distinct head bearing sensory organs.
What does cephalopoda mean in Latin?
cephalopod (n.) one of a class of mollusks notable for having tentacles attached to a distinct head, 1825, from French cephalopode, from Modern Latin Cephalopoda (the class name), from Greek kephalē “head” (see cephalo-) + pod-, stem of pous “foot” (from PIE root *ped- “foot”).
What does arthropod mean in Latin?
arthropod Add to list Share. An arthropod is an animal with no internal spine, a body made of joined segments, and a hard covering, like a shell. The Modern Latin root is Arthropoda, which is also the name of the animals’ phylum, and which means “those with jointed feet.”
Do humans have chromatophores?
Humans have only one class of pigment cell, the mammalian equivalent of melanophores, to generate skin, hair and eye colour. For this reason, and because the large number and contrasting colour of the cells usually make them very easy to visualise, melanophores are by far the most widely studied chromatophore.
What does echinodermata mean in Latin?
1834, from Modern Latin Echinodermata, name of the phylum that includes starfish and sea urchins, from Latinized form of Greek ekhinos “sea urchin,” originally “porcupine, hedgehog” (see echidna) + derma (genitive dermatos) “skin,” from PIE root *der- “to split, flay, peel,” with derivatives referring to skin and …
How did the word Mollusca get its name?
Mollusca (n.) “division of invertebrate animals with soft, unsegmented bodies, no jointed legs, and commonly covered by hard shells,” 1797, from Modern Latin mollusca, chosen by Linnaeus as the name of an invertebrate order (1758), from neuter plural of Latin molluscus “thin-shelled,” from mollis “soft,” from PIE root *mel- (1) “soft.”.
What is the meaning of the Latin word NECAT?
enecat: enecat (Latin) Verb ē necat Conjugation of ēnecō (third-person singular present active indicative) There are no user-contributed notes for this entry. Add a note to the entry “necat”. Write a usage hint or an example and help to improve our dictionary. Don’t request for help, don’t ask questions or complain.
What is the dictionary definition of a mollusk?
English Language Learners Definition of mollusk. biology : any one of a large group of animals (such as snails and clams) that have a soft body without a backbone and that usually live in a shell. See the full definition for mollusk in the English Language Learners Dictionary.
What are the physical characteristics of a mollusc?
Molluscs have developed such a varied range of body structures, finding synapomorphies (defining characteristics) to apply to all modern groups is difficult. The most general characteristic of molluscs is they are unsegmented and bilaterally symmetrical. The following are present in all modern molluscs: