mullusks Flashcards
Mollusk
Mollusk are soft bodied interverbrates
Gill
Are to remove air from the water.
Gastropod
It means stomach foot, has a broad foot , snails have shells but slugs do not have shells
Cehpalopod
They are mollusk whose feet have adapted around the mouth and formed tenticals.
Mantle
Is a thick layer of tissues that protect the internal organs and produces a shell.
Radula
Are tiny rows of teeth that can scrape food from a surface.
Bivalve
Bivalves are two shells held on like hinges.
Arthropod
It means joint foot, jointed appendages , and exoskeleton, chitin on the outside and organs on the inside.
Molting
The process of shedding
Metammorphosis
A process in which an animal’s body undergoes dramatic changes in form during life circle.
Exoskeleton
The exoskeleton is an outer layer skeleton that keeps them from drying out.
Appendage
Are legs, fangs, pinchers, . . . extended from the body
Arachnid
Has 3 sections, breathes with book lungs or air tubes, some have fangs to eject venom.
Chitin
It is the material the exoskeleton is made of.
Crustacean
They begin life in water, breather with gills, does metamorphoses and includes crab, crayfish, and lobster.