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SLS Bio11 Animals (CM)

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
asexual reproduction   Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only  
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cell   the smallest structural and functional unit of an organism  
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cephalization   the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.  
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closed circulatory system   In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities.  
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coelom   he body cavity in metazoans, located between the intestinal canal and the body wall.  
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colonial   (of animals or plants) living in colonies.  
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fluid feeding   Fluid feeders are organisms that feed on the fluid of other organisms  
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endoskeleton   an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.  
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excretion   (in living organisms and cells) the process of eliminating or expelling waste matter  
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exoskeleton   is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton  
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filter feeding   feeding by filtering out plankton or nutrients suspended in the water.  
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free-living   That lives independently of other organisms rather than part of a symbiotic or parasitic relationship.  
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internal transport   A transport system is a means by which materials are moved from an exchange surface or exchange surfaces to cells  
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invertebrates   an animal lacking a backbone  
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levels of organization   The highest level of organization for living things is the biosphere; it encompasses all other levels.  
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life functions   1) All living things are organized and have chemicals. 2) Multicellular or unicellular. 3) Use energy. 4) Have a definite form and have a limited size. 5) Grow. 6) Respond to changes in environment. 7) Can reproduce. 8) Eventually die.  
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medusa   is a form of cnidarian in which the body is shaped like an umbrella.  
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motility   motility is the ability of organisms and fluid to move or get around.  
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multicellular   having or consisting of many cells.  
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niche   The niche that an organism occupies is the opening in the environment that the organism fills to make a living.  
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open circulatory system   Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness  
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organ   a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.  
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organ system   an organ system is a group of organs that work together to perform one or more functions.  
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parasite   an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.  
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polyp   a solitary or colonial sedentary form of a coelenterate such as a sea anemone, typically having a columnar body with the mouth uppermost surrounded by a ring of tentacles  
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reproduction   the production of offspring by a sexual or asexual process.  
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respiration   a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.  
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response   an answer or reply, as in words or in some action  
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sessile   (of an organism, e.g., a barnacle) fixed in one place; immobile.  
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sexual reproduction   the production of new living organisms by combining genetic information from two individuals of different types  
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symmetry   is the balanced distribution of duplicate body parts or shapes within the body of an organism  
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tissue   any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products  
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vertebral column   another term for spinal column.  
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