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SLS Bio11 AnimalsCF

TermDefinition
Asexual Reproduction A form of reproduction in which offspring are born of a single parent.
Cell The smallest structural unit of a living organism.
Cephalization The concentration of sense organs at the anterior end of the body.
Closed Circulatory System In a closed circulatory system, the blood is enclosed within the body at all times within vessels of varying size.
Coelom The body cavity in metazoans.
Colonial The tendency to live in a colony.
Fluid Feeding The consumption of the fluids of other organisms.
Endoskeleton An internal skeleton.
Excretion The process of expelling waste matter.
Exoskeleton A rigid external covering for the body which provides both support and protection.
Filter Feeding The process of feeding by filtering out nutrients suspended in water.
Free-living To live independent of another organism.
Internal Transport The means by which materials are moved through an organism's body.
Invertebrates Animals lacking backbones.
Levels of Organization The categorized levels of existence within the biosphere.
Life Functions The processes which keep an organism alive.
Medusa A free-swimming, sexual form of a coelenterate.
Motility The ability to move spontaneously and actively.
Motile The property of being able to move spontaneously.
Multicellular A property describing an organism comprised of more than one cell.
Niche A position filled by an organism in its community.
Open Circulatory System In an open circulatory system, the blood does not remain exclusively contained within vessels.
Organ A self-contained part of an organism that performs a vital function.
Organ System A group of organs that work together to perform one or more functions.
Parasite An organism that lives in or on another organism, to the latter's expense.
Polyp A solitary or colonial sedentary form of a coelenterate.
Reproduction The production of offspring through sexual or asexual processes.
Respiration A process involving the production of energy, typically through the intake of oxygen and release of carbon dioxide.
Response The reaction to a stimulus.
Sessile The property of being unable to move spontaneously or actively.
Sexual Reproduction the process of producing offspring by combining the genetic information from two parent organisms.
Symmetry The quality of being made up of exactly similar parts.
Tissue Any of the distinct types of material of which an organism are made.
Vertebral Column The backbone of an organism.
Created by: CFourie
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