click below
click below
Normal Size Small Size show me how
biology vocab
term | Definition |
---|---|
pure science | knowledge obtained through scientific activities |
applied science | the use of pure science to solve practical problems |
research method | the use of the scientific method to obtain knowledge |
technical method | the use of prescribed techniques to gain knowledge about a specific case |
worship | man's recognition of his insignificance and the resulting dependence on and praise to the almighty god |
biology | the science that deals with living organisms and vital life processes |
living conditions | highly organized cellular condition that is derived from preexisting life and that faces death; requires energy to carry on processes such as growth, movement, reproduction, and response |
internal movement | an attribute of life that includes movement of fluids, organs, and even structures within cells |
assimilation | the conversion of nutrients into living cells; a prcess of growth |
reproduction | the formation of another organism that has characteristics and limitations similar to the original |
variation | the difference between individual organisms of the same kind; differences based on genotype; the expression of different individual characteristics in organisms of the same kind |
organic | naturally derived from living organisms; organic compounds are those that contain carbon |
inorganic | describing objects that are not alive and that have never been alive; also, substances that lack carbon (with few exception); usually derived from nonliving material |
irritability | the ability to respond to changes in the environment |
food | organic,energy-containing substances required by all living things |
microscope | a scientific instrument that magnifies objects for more detained study; usually contains a series of lenses |
compound light microscope | a magnification device with two sets of lenses, one set for magnification and a second set to allow the observer to view the image from a convenient distance |
objective | the part of a light microscope that is near the specimen and that contains lenses; that which form an image of an object |
ocular | the eye piece of a microscope; contains lenses |
stage | the flat surface of a microscope on which a slide or specimen is placed |
body tube | the cylindrical part of the microscope between the eyepiece and the objectives |
electron microscope | a high powered magnification device that uses streams of electrons rather than light rays to form an image |
reflection | the image caused by light rays bouncing off an object |
refraction | the bending of a ray when it passes from one medium to another at an oblique angle |
resolution | the characteristics that allows a microscope to form a clear image of detailed structures |