Collection of facts and details about something.

relating to branch of biology that deals with normal functions of living organisms.

structure in living organism that responds to light falling on it.

animal of large group distinguished by possession of backbone or spinal column. Animal with a backbone.

estimated on basis of current data. To predict what will happen in the future.

expressing adverse judgement.

control or maintain rate or speed of machine or process so that it operates properly.

series of actions towards achieving something. Sets of changes that occur slowly and naturally. To deal with official forms in the way required.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. By a particular way or process; by the use of.

repeated decorative design. Regular repeated behavior. To copy the way something else is made.

having chemical, electrical, or other response to light.

In or relating to the retina of the eye.

strong, regular, repeated pattern of movement. Patterns of sound and beats in music.

relating to visual art. graphical item displayed on screen.

(of biological processes) recurring naturally on twenty-four-hour cycle, even in absence of light fluctuations. Concerning biological processes occurring at -hour intervals.