2.1 ÊÒ¢Ò¡ÒÃÈÖ¡ÉÒÊÔè§ÁÕªÕÇÔµ·Ø¡ª¹Ô´µÒÁá¹Ç·Ò§¡ÒÃÈÖ¡ÉÒ à»ç¹¡ÒÃáºè§ËÑÇ¢éÍÂèÍ à»ç¹á¢¹§ÇÔªÒ·ÕèÈÖ¡ÉÒ੾ÒÐàÃ×èͧ¢Í§ÊÔè§ÁÕªÕÇÔµä´éá¡è
           2.1.1  Êѳ°Ò¹ÇÔ·ÂÒ   (Morphology) ÈÖ¡ÉÒà¡ÕèÂǡѺÃÙ»ÃèÒ§ÅѡɳРáÅÐâ¤Ã§ÊÃéÒ§·Ñé§ÀÒ¹͡áÅÐÀÒÂã¹ á¡à»ç¹á¢¹§ÂèÍÂä´éÍÕ¡
                        ¡. ¡ÒÂÇÔÀÒ¤ÈÒʵÃì   (Anatomy) ¡ÒÃÈÖ¡ÉÒâ¤Ã§ÊÃéÒ§¢Í§ ÃèÒ§¡Ò¢ͧÊÔè§ÁÕªÕÇÔµ
â´Â¡ÒêÓáËÅÐËÃ×ͼèҵѴ ä´éá¡è ÍÍÃìá¡â¹âÅÂÕ  (Organology)  ÈÖ¡ÉÒÍÇÑÂÇÐÀÒÂã¹ ÍÍÊ·ÕâÍâÅÂÕ (Ostology) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡Ãд١ äÁâÍâÅÂÕ (Mycology) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡ÅéÒÁà¹×éÍ »ÃÐÊÒ·ÇÔ·ÂÒ (Neurology) ÈÖ¡ÉÒà¡ÕèÂǡѺÃкº»ÃÐÊÒ· âÅËÔµÇÔ·ÂÒ (Hematology)  ÈÖ¡ÉÒà¡ÕèÂǡѺàÅ×Í´ ÍÒÃìâ·ÃâÅÂÕ (Aarthrology) ÈÖ¡ÉÒà¡ÕèÂǡѺ¢é͵èÒ§ æ áÅÐ à͹â´ä¤Ãâ¹âÅÂÕ (Endocrinology) ÈÖ¡ÉÒà¡ÕèÂǡѺµèÍÁÊÃéÒ§ÎÍÃìâÁ¹
                        ¢ ä«âµâÅÂÕ  (Cytology) ÈÖ¡ÉÒà¡ÕèÂǡѺà«Åâ´Â੾ÒÐ
                        ¤. ÎÕÊâµâÅÂÕ (Histology) ÈÖ¡ÉÒà¡ÕèÂǡѺà¹×éÍàÂ×è͵èÒ§ æ ã¹ÃèÒ§¡ÒÂ
            2.1.2 ÊÃÕÃÇÔ·ÂÒ   (Physiology) ÈÖ¡ÉÒ¶Ö§¡Åä¡¡Ò÷ӧҹ áÅÐ˹éÒ·Õè¢Í§Êèǹ»ÃСͺµèÒ§ æ ã¹ÊÔè§ÁÕªÕÇÔµ
            2.1.3 ¤Ñ¾ÇÔ·ÂÒ   (Embryology) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡ÒÃà¨ÃÔ­àµÔºâµ à»ÅÕè¹á»Å§¢Í§µÑÇÍè͹¢Í§ÊÔè§ÁÕªÕÇÔµ

       2.1 ÊÒ¢Ò¡ÒÃÈÖ¡ÉÒ¶Ö§ÊÔè§ÁÕªÕÇÔµà»ç¹ËÁÙèàËÅèÒ·ÕèÁÕ¤ÇÒÁà¡ÕèÂÇ¢éͧ¡Ñ¹
¡ÒÃÈÖ¡ÉÒÊÔè§ÁÕªÕÇÔµ·ÕèÁÕ¤ÇÒÁà¡ÕèÂÇ¢éͧÊÑÁ¾Ñ¹¸ì¡Ñ¹ ÃÐËÇèÒ§ÊÔè§ÁÕªÕÇÔµ´éÇ¡ѹ ËÃ×͡ѺÊÀÒ¾ÊÔè§áÇ´ÅéÍÁ ËÃ×Í¡ÒèѴáºè§¡ÅØèÁÊÔè§ÁÕªÕÇÔµÍÍ¡à»ç¹ËÁÇ´ËÁÙè «Öè§ÁÕÊÒ¢ÒÂèÍ´ѧ¹Õé
            2.2.1  ͹ءÃÁÇÔ¸Ò¹ÇÔ·ÂÒ (Taxonolomy) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡ÒèѴ¨ÓṡÊÔè§ÁÕªÕÇÔµÍÍ¡à»ç¹ËÁÙèàËÅèÒ µÒÁ¤ÇÒÁÊÑÁ¾Ñ¹¸ì·Ò§ÇÔÇѲ¹Ò¡Òà à»ç¹à¡³±ì
                2.2.2  ¹ÔàÇÈÇÔ·ÂÒ (Ecology) ÈÖ¡ÉÒà¡ÕèÂǡѺ¤ÇÒÁÊÑÁ¾Ñ¹¸ì ÃÐËÇèÒ§ÊÔè§ÁÕªÕÇÔµ´éÇ¡ѹàͧáÅÐÊÔè§ÁÕªÕÇÔµ¡ÑºÊÔè§áÇ´ÅéÍÁ
                2.2.3  ¾Ñ¹¸ØÈÒʵÃì (Genctic) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡ÒöèÒ·ʹÅѡɳТͧÊÔè§ÁÕªÕÇÔµä»ÊÙèÅÙ¡ËÅÒ¹
                2.2.4  ÇÔÇѲ¹Ò¡Òà (Evolution) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡ÒÃÇÔÇѲ¹Ò¡ÒâͧÊÔè§ÁÕªÕÇÔµ·Ñé§ËÁ´
                2.2.5  äºâÍâÅÂÕâÍ¡ÃÒ¿Õ (Biogeography) ÈÖ¡ÉÒà¡ÕèÂǡѺ¡ÒáÃШÒ¾ѹ¸Øì¢Í§¾×ª àÃÕ¡ÇèҾġÉÀÙÁÔÈÒʵÃì (Phytogeography) áÅСÒáÃШÒ¾ѹ¸Øì¢Í§ÊѵÇì àÃÕ¡ÇèÒÊѵÇÀÙÁÔÈÒʵÃì (Zoogeography)