Term
|
Definition
| invertebrate with a soft, unsegmented body and a covering mantle topped by a hard outer shell |
|
|
Term
|
Definition
| flexible ribbon of tiny teeth |
|
|
Term
|
Definition
| invertebrates with an exoskeleton, segmented body, and jointed attachments |
|
|
Term
|
Definition
|
|
Term
|
Definition
| invertebrate with an internal skeleton and a water vascular system |
|
|
Term
|
Definition
| A circulatory system in which the heart pumps blood into open spaces in the body and blood is not confined to blood vessels. |
|
|
Term
|
Definition
| A mollusk with a single shell or no shell. |
|
|
Term
|
Definition
| animals that eat only other animals |
|
|
Term
|
Definition
| animals that eat only plants |
|
|
Term
|
Definition
| animals that eat both plants and animals |
|
|
Term
|
Definition
| An ocean-dwelling mollusk whose foot is adapted as tentacles that surround its mouth. |
|
|
Term
|
Definition
| organs that remove oxygen from the water |
|
|
Term
|
Definition
| A mollusk that has two shells held together by hinges and strong muscles. |
|
|
Term
|
Definition
| The process of shedding an outgrown exoskeleton |
|
|
Term
|
Definition
| An arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antennae. |
|
|
Term
|
Definition
| An arthropod with two body sections, four pairs of legs, and no antennae. |
|
|
Term
|
Definition
| n appendage attached to the head that contains sense organs |
|
|
Term
|
Definition
| a process in which an animal’s body undergoes dramatic changes in form during its life cycle |
|
|
Term
|
Definition
| The hind section of an arthropod’s body that contains its reproductive organs and part of its digestive tract. |
|
|
Term
|
Definition
| A system of fluid-filled tubes in an echinoderm’s body. |
|
|
Term
|
Definition
| Extensions of an echinoderm’s water vascular system that stick out from the body and function in movement and obtaining food. |
|
|
Term
|
Definition
|
|
