levels of organization

INDIVIDUAL LEVEL

➤DIFFERENT ORGANS AND ORGANS AND ORGAN SYSTEMS ARE ORGANIZED TOGETHER TO FORM AN

     INDIVIDUAL OR ORGANISM. IN ORGANISM PROCESSES, ACTIVITIES AND FUNCTIONS ARE COORDINATED.

FOR EXAMPLE;

 ➤WHEN A MAN IS ENGAGED  IN CONTINUOUS  AND HARD  EXERCISE, NOT ONLY HIS MUSCLES WORK

      BUT ALSO THERE AN INCREASE IN THE RATE OF RESPIRATION AND HEARTBEAT.

➤THIS ACCELERATED RATE OF RESPIRATION AND HEARTBEAT SUPPLIES 

    MORE OXYGEN AND FOOD TO THE MUSCLES WITCH THEY NEED FOR

    CONTINUOUS WORK.

POPULATION LEVEL 

➤A POPULATION IS DEFINED AS A GROUP OF ORGANISM OF SAME SPECIES LOCATED AT THE SAME PLACE

      IN THE SAME TIME. 

BIOLOGIST OBSERVATIONS;

➤BIOLOGIST STUDIES TO THE POPULATION LEVEL WHERE THEY STUDY INTERACTIONS AMONG MEMBERS

   OF THE SAME SPECIES LIVING IN THE SAME PLACE.

   FOR EXAMPLE;

➤HUMAN POPULATION IN PAKISTAN 2010,COMPRISES OF 173.5 MILLION INDIVIDUALS (ACCORDING TO

  THE MINISTRY OF POPULATION WELFARE, GOVERNMENT OF PAKISTAN)

COMMUNITY LEVEL

➤A COMMUNITY IS AN ASSEMBLAGE OF DIFFERENT POPULATIONS, INTERACTING WITH   

    ONE ANOTHER WITHIN THE SAME ENVIRONMENT.

FOR EXAMPLE;

➤A FOREST MAY BE CONSIDERED AS A COMMUNITY. IT INCLUDES DIFFERENT PLANTS, 

    MICROORGANISMS, FUNGI,AND ANIMAL SPECIES.

EXPLANATION;

➤COMMUNITIES ARE THE COLLECTION OF ORGANISMS, IN WHICH ONE POPULATION MAY

    INCREASE AND OTHERS MAY DECREASE. 

TYPES;

➤COMPLEX COMMUNITY

➤SIMPLE COMMUNITY

COMPLEX COMMUNITY

➤SOME COMMUNITIES ARE COMPLEX LIKE A FOREST COMMUNITY, A POND COMMUNITY.

SIMPLE COMMUNITY

➤OTHER COMMUNITIES MAY BE SIMPLE LIKE A FALLEN LOG WITH VARIOUS POPULATIONS UNDER IT. 

BIOSPHERE LEVEL

➤THE PART OF EARTH INHABITED BY ORGANISMS' COMMUNITIES IS KNOWN AS BIOSPHERE.

ZONE OF LIFE

➤BIOSPHERE CONSTITUTES ALL ECOSYSTEMS (AREAS WHERE LIVING THINGS INTERACT WITH

   NONLIVING COMPONENTS OF THE ENVIRONMENT) AND IS ALSO CALLED THE ZONE OF LIFE ON 

   EARTH. 

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