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SLS Bio11 Animals(OS
SLS Bio11 Animals(OS)
Term | Definition |
---|---|
Asexual Reproduction | not involving the fusion of gametes. |
Cell | the smallest functional unit of an organism |
Cephalization | the concentration of sense organs at the anterior end of the body, forming the head and brain. |
Closed Circulatory System | have the blood closed at all times within vessels of different sizes and wall thickness. |
Coelom | the body cavity in metazoans, located between the intestinal canal and the body wall. |
Colonial | living in colonies |
Fluid Feeding | organisms that feed on the fluid of other organisms. |
Endoskeleton | an internal skeleton. |
Excretion | the process of eliminating waste |
Exoskeleton | an external covering for the body in some invertebrate animals. |
Filter Feeding | feeding by filtering out plankton or other nutrients. |
Free-living | living freely and independently, not as a parasite. |
internal transport | materials are moved from a surface to cells located throughout the organism. |
invertebrates | an animal lacking a backbone |
levels of organization | cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere. |
Life Functions | that property that determines living organisms from dead organisms. |
Medusa | a free-swimming form of a coelenterate, such as a jellyfish. |
Motility | ability to move actively, making energy in the process. |
Motility/Motile | applies to unicellular and simple multicellular organisms |
Multicellular | having or consisting of many cells. |
Niche | the position of a species within an ecological community |
Open Circulatory System | where blood is allowed to mix with other organisms. |
Organ | a part of an organism that has vital life functions, such as the liver or heart in humans. |
Organ System | group of organs that work together to perform one or more function. |
Parasite/Parasitic | an organism that lives on another organism and benefits from deriving nutrients at it's hosts expense. |
Polyp | a solitary form of a coelenterate such as a sea anemone |
Reproduction | the production of offspring by sexual or asexual reproduce |
Respiration | a process in living organisms involving the production of energy |
response | any behavior of an organism that results from external or internal stimulus. |
Sessile | fixed in one place, otherwise known as immobile. |
Sexual Reproduction | the production of two living organisms by combining genetic information from two individuals of different types. |
Symmetry | correspondance of parts on opposite sides of a dividing plane. (bilateral, radial etc.) |
Tissue | any of the distinct types of material from which the organism is made |
Vertebral Column | another term for spinal column, which is the spine or backbone. |