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Study Stack #3
Due Friday
| Term | Definition |
|---|---|
| Adaptation | Adapts to the environment to survive. |
| Fertilization | Egg and Sperm for reproduction. |
| Vertebrae | An animal that has a backbone. |
| Invertebrae | An animal that does not have a backbone. |
| Bilateral Symmetry | Body plan with two halves that are mirror image. |
| Radial Symmetry | The quality of having many lines of symmetry that all pass through a central point. |
| Larva | The immature form of an animal that looks very different from the adult. |
| Cnidarian | An invertebrate animal that uses its stinging cells to capture food. |
| Polyp | The Cnidarian body plan is characterized by a vase-like shape and that usually adapted for a life attached to an underwater surface. |
| Medusa | The Cnidarian body plan having a bowl shape and adapted for a free-swimming life. |
| Parasite | The organism that benefits by living in or on a host in a parasitism interaction. |
| Host | The organism that a parasite or virus lives in or on. |
| Scavenger | A carnivore that eats the bodies of dead organisms. |
| Closed circulatory system | A circulatory system in which blood moves only within a connected network of tubes called blood vessels. |
| 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 the water. |
| Gastropod | A mollusk with a single shell or no shell. |
| Celphalopod | An ocean dwelling mollusk whose foot is adapted as tentacles that surround its mouth. |
| Bivalve | A mollusk that has two shells held together by hinges and strong muscles. |
| Herbivore | Only eats plants. |
| Carnivore | Only eats meat. |
| Omnivore | Eats both plants and meat. |
| Radula | A flexible ribbon of teeth in mollusks. |
| 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 critter and helps prevent evaporation. |
| Molting | The shedding of outgrown exoskeleton. |
| Crustacean | An arthropod that has 2 or 3 body sections, five + pairs of legs, and two pairs of antennas. |
| Complete metamorphosis | A type of metamorphosis in four stages. |
| Gradual metamorphosis | Egg hatches into a nymph resembling an adult which has no distinct larval stage. |
| Arachnid | Arthropod 2 body sections 4 pairs of legs, no antennas. |
| Insect | Bug. |
| Thorax | Mid section of body of a bug, where the wings and legs are attached. |
| Pupa | Last stage before becoming an adult. |
| Nymph | A stage of gradual metamorphosis that usually resembles the adult insect. |
| Endoskeleton | An internal skeleton. |
| Echinoderm | A radially symmetrical invertebrate that lives on the ocean floor and has an internal skeleton and water vascular system. |
| Water Vascular system | A system of fluid-filled tubes in an Echinoderm's body. |
| My words!!! | MY WORDSSSSSSS! |
| Free-living organism | An organism that does not live in or on another organism. |
| Anus | A muscular opening at the end of the rectum which the bodies waste is eliminated. |
| Pollinator | An animal that carries the pollen around, spreading the sperms. |
| Tentacles | These help certain animals such as; Octopus. They help them move by using the little suction cups at the bottom, thus, moving them. |
| Swimmernet | A crayfish uses these appendages like flippers for swimming. |
Created by:
Sweete
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