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Study Stack #3

Due Friday

TermDefinition
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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