Flashcards in mullusks Deck (28):
Mollusk are soft bodied interverbrates
Are to remove air from the water.
It means stomach foot, has a broad foot , snails have shells but slugs do not have shells
They are mollusk whose feet have adapted around the mouth and formed tenticals.
Is a thick layer of tissues that protect the internal organs and produces a shell.
Are tiny rows of teeth that can scrape food from a surface.
Bivalves are two shells held on like hinges.
It means joint foot, jointed appendages , and exoskeleton, chitin on the outside and organs on the inside.
The process of shedding
A process in which an animal's body undergoes dramatic changes in form during life circle.
The exoskeleton is an outer layer skeleton that keeps them from drying out.
Are legs, fangs, pinchers, . . . extended from the body
Has 3 sections, breathes with book lungs or air tubes, some have fangs to eject venom.
It is the material the exoskeleton is made of.
They begin life in water, breather with gills, does metamorphoses and includes crab, crayfish, and lobster.
The abdomen contains reproductive organs and the digestive tract.
Has three parts, six legs,( three pairs of legs) goes through metamorphosis.
Four stages in insect life - egg, larva, pupa, and adult.
No distinct stages of development . Egg hatches into a nymph, develops into an adult.
Camouflage means to blend in with surroundings.
The middle section of a insect and the wings and legs are attached
Insect is enclosed in a protective covering and changes from larva to an adult.
Stage in insect life in which the insect resembles the adult
Has a Endoskeleton, lives on ocean floor, name means spiny skin. Also has radial symmetry and has tube feet.
Spiny internal skeleton made of plates containing caliseum.
Water Vascular System
The water vascular system is a fluid system that goes through all the ogans so the animal can breath.
Describe ways in which insects are beneficial to humans
Insects eat other harmful insects and make honey, silk and pollinate flowers.