Science - chapter 10, sections 1-2

Created by latishashields 

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18 terms

mollusk

an invertebrate with a soft unsegmented body; most are protected by a hard outer shell

open circulatory system

a circulatory system in which the heart pumps blood into open spaces in the body, and blood is not confined to blood vessels

gill

an organ that removes oxygen from water

gastropod

a mollusk with a single shell or no shell

herbivore

a consumer that eats only plants

carnivore

a consumer that eats only animals

rodula

a flexible ribbon of tiny teeth in mollusks

bivalve

a mollusk that has two shells held together by hinges and strong muscles

omnivore

a consumer that eats both plants and animals

cephalapod

an ocean dwelling mollusk whose foot is adapted as tentacles that surround its mouth

arthropod

an invertebrate that has an external skeleton, a segmented body, and jointed appendages

exoskeleton

a waxy, waterproof outer shell or outer skeleton that protects the animal and helps prevent evaporation of water

molting

the process of shedding an outgrown exoskeleton

antenna

an appendage on the head of an arthropod that contains sense organs

crustacean

an arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antennae

metamorphosis

a process in which an animal's body undergoes dramatic changes in form during its life cycle

arachnid

an arthropod with two body sections, four pairs of legs, adn no antennae

abdomen

the hind sections of an arthropod's body that contains its reproductive organs and part of its digestive tract.

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