Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Life Science
Ch. 14 Vocabulary
| Term | Definition |
|---|---|
| abdomen | The last, or rear, segment of an arthropod's body. |
| Amphibia | Class of Chordata, the organisms of which are commonly called amphibians and includes frogs, toads, and salamanders. |
| Animalia | Kingdom into which all multicellular eukaryotic organisms without cell walls and that do not photosynthesized are classified into. |
| Annelida | Phylum of Animalia that includes highly segmented invertebrates such as leeches and earthworms. |
| aortic | Refers to the blood vessel that immediately carries blood out of the heart. |
| artery | Vessels that carry blood away from the heart. |
| Arthropoda | Phylum of Animalia that includes terrestrial invertebrates with exoskeletons made of chitin. |
| asymmetric | Animals with no symmetry. |
| Aves | Class of Chordata, the organisms of which are commonly called birds. |
| bilateral symmetry | Property of one half of an animals body looking like the other half. |
| cerebral ganglion | A collection of nerves that integrate an animal's activity. |
| Cestoda | Class of Platyhelminths. |
| chitin | The molecule an arthropod's exoskeleton is made out of. |
| Chondrichthyes | Class of Chordata, the organisms of which are commonly called cartilage fish and includes sharks, rays and skates. |
| chrysalis | The protective casing that encloses a pupa. |
| circular muscles | Layer of muscles arranged in a circle around a worm. |
| circulatory system | System to move oxygen, hormones, and nutrients to tissues/organs and to move carbon dioxide and wastes from tissues/organs. |
| Cnidaria | Phylum of Animalia that includes animals with special stinging cells. |
| cnidocytes | The stinging cells of Cnidaria. |
| compound eye | An eye made up of thousands of small light-sensing cells that is typical of the arthropod eye. |
| crop | Digestive tract structure that stores soil in an earthworm. |
| cuticle | The slimy, protective layer covering the epidermis of annelids. |
| dorsal vessel | Structure that carries blood back to the aortic arches. |
| Echinodermata | Phylum of Animalia that includes starfish. |
| endoskeleton | A structural support system on the inside of the animal. |
| epidermis | The upper layer of skin. |
| exoskeleton | A skeleton on the outside of the body. |
| extracellular matrix | A network of proteins and molecules, found only in animals, that hold one cell to another. |
| filter feeders | Name given to organisms that feed as water passes, or filters, through their bodies. |
| flatworms | The organisms classifies in Platyhelminthes. |
| gastrovascular cavity | Structure that food enters to be digested in cnidarians. |
| gizzard | Digestive tract structure in an earthworm which functions to grind the soil down. |
| glycogen | The most common storage complex carbohydrate in animals. |
| gut | A structure in the center of an animal, in which almost all animals digest and process their food. |
| head | The front segment of an arthropod's body. |
| invertebrates | Animals without vertebrae. |
| jointed appendages | Arms and legs that bend. |
| larva | An immature form of an organism, which undergoes a change in the way the organism appears from the immature to the adult stage. |
| longitudinal layer | Layer of muscles that run up and down the length of a worm. |
| longitudinal nerves | Nerves on each side of the Planarians. |
| Malpighian tubes | Structures that remove wastes from the body in insects. |
| mammals | Animals that gave mammary glands and hair and are classified into the class Mammalia. |
| marine | Refers to an animal that lives in the ocean. |
| medusa | The form of cnidarians that are mobile. |
| metamorphosis | A developmental process in which an organisms changes in appearance from the immature to the adult form. |
| Mollusca | Phylum of Animalia that includes squid, octopus, clams, and snails. |
| molting | In this chapter, refers to the process of an arthropod's exoskeleton getting soft and shedding to allow growth. |
| nematocyst | A stinging organelle found only in cnidarians with thin, coiled filament which the cnidocyte rapidly uncoils when touched. |
| nephridia | Specialized tissue in worms, which removes wastes form their body and blood. |
| nerve | A group of nerve cells covered by a common protective covering. |
| nerve cord | The structure that connects the cerebral ganglion to smaller ganglia in each segment of a worm. |
| nerve net | A specialized nerve tissue found in cnidarians. |
| nerve tissue | The tissue which senses change in in the environment and transmits the information to a central processing structure (brain). |
| nymph | The immature form of an organism that undergoes incomplete metamorphosis. |
| ossicles | Plates that make up the endoskeleton of echinoderms. |
| Osteichthyes | Class of Chordata that includes organisms commonly called fish. |
| parasite | An organism that lives in or on the living tissue of another organism and does harm to that organism. |
| Planarians | A type of free-living flat worm found in fresh water streams and river. |
| Platyhelminthes | Phylum of Animalia that includes organisms commonly called flatworms. |
| polyp | The form of cnidarians that are sessile. |
| pores | Holes in the body of a sponge. |
| Porifera | Phylum of Animalia that includes organisms called sponges. |
| pupa | An intermediate stage of development during complete metamorphosis. |
| radial symmetry | The property of the top half of a round animal looking like the bottom half. |
| radula | The rough tongue of a snail, used to scrape food off rocks or off of prey. |
| Reptilia | Class of Chordata that includes snakes, lizards, crocodiles, and turtles. |
| sessile | Non-moving. |
| symmetry | The property of one half of an animal looking like the other half. |
| tapeworms | Member of Platyhelminthes that are parasites and live in the intestines of animals and humans. |
| thorax | The middle segment of an arthropod's body. |
| tracheas | A complex system of air tubes which insects use for gas exchange. |
| Trematoda | A parasitic class of Platyhelminths. |
| Turbellaria | Free-living species of Platyhelminthes. |
| veins | Structure that carries blood to the heart. |
| ventral blood vessel | Vessel in the earthworm that carries blood to the animals body. |
| vertebrae | The boney or cartilaginous protecting structure of the spinal cord found in vertebrates. |
| vertebral column | The structure made up of many vertebrae that protects the spinal cord. |
| vertebrates | Animals that have a spinal column of vertebrae. |
| vessels | Tubes of the circulatory system. |
| water vascular system | A series of tubes connected to one another throughout echinoderms, into which water flows. |
| zoologists | Scientists who study animals. |
Created by:
kaisnead
Popular Biology sets