The heterotrophic organism ( consumer ) obtains its food in the form of ready organism materials which are large and complex molecules , These molecules can not diffuse through the cell membrane of living...
The cell is the building and functional unit of the living organism , Living organisms may be unicellular or multicellular , Although the similarity of all living organisms in their building and functional unit...
Scientists discovered that Genetic information which lead to the appearance of traits in all living organisms are carried on the chromosomes & Chromosomes are found inside the nucleus of each cell in all living...
Animal tissues Animal tissues can be differentiated into basic types , each of them matches with the function it performs , such as Epithelial tissues , Connective tissues , Muscular tissues and nervous tissues...
Organization of living organisms The human body is composed of many systems integrate together forming the body of the living organism , such as the circulatory , nervous , digestive , respiratory , excretory...
The cell It the smallest functional and building unit in all living organisms , The cell is characterized by the ability to grow , It can reproduce , It can respond to the external...
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