internal or external division

Movement in plants may not be very pronounced, but it is brought about by definite external and internal stimuli. Movement which occur due to external stimuli are known as induced or paratonic movements and the movements which occur due to factors inherent inside the p..

The epithelial cells become specialized to form receptors that are capable of receiving the various external and internal stimuli, and transferring them to the nerve cells. E.g. Photoreceptors, thermoreceptors, osmoreceptors, pressure receptor..

Depending upon how your computer is configured and your preferences, you can have an external, internal or PC modem card. All three types work the same way, but each has its advantages and disadvantage..

It is a bag-like structure, which ends in an opening called the anus. The rectum stores the undigested food as faecal matter till it can be passed out. The anus is guarded by external and internal sphincter muscles. The external sphincter is made up of voluntary str..

It is normally found as a covering either externally or internally. It is the simplest and the least specialised animal tissue. It is described as avascular, since a direct blood supply is absent. The tissue depends upon the other underlying tissues for its nourishment. Th..

Find the coordinates of the points A (-3, -4), B (-8,7) which divides the line segment joining the points A and B in the given ratio 5:7 i) internally and ii) externally..

refers to random and unpredictable electrical signals produced by natural processes both internal and external to the system. When such random variations are superimposed on an information-bearing signal, the message may by partially corrupted or totally obliterated. Filtering ..

Stages of Respiration - As mentioned in the above section, for energy to be released from food, there has to be an exchange of gases - oxygen and carbon dioxide. Respiration takes place in the following two stages: External respiration Internal respirati..

Plant growth is influenced by a number of external and internal factors. The external factors affecting plant growth are: i) light ii) temperature iii) oxygen iv) carbon dioxide v) soil water vi) soil nutrients The internal factors affecting plant growth are ..

Factors affecting Plant Growth - Plant growth is influenced by a number of external and internal factors. The external factors affecting plant growth are: i) light ii) temperature iii) oxygen iv) carbon dioxide v) soil water vi) soil nutrients The internal fa..