THE MEMBER OF A SPECIES LIVING AND INTERACTING WITHIN A SPECIFIC GEOGRAPHICAL REGION ARE TOGETHER CALLED A POPULATION. NEEM TREES IN A FOREST,PEOPLE IN A COUNTRY, AND GOLD FISH IN A POND ARE EXAMPLES OF POPULATIONS.THERE IS DIVERSITY IN MOST NATURAL POPULATIONS. WHILE THERE ARE BROAD SIMILARITIES AMONG THE MEMBERS, THEY DON'T ALL LOOK EXACTLY ALIKE. NOR DO THEY ALL BEHAVE IN THE SAME WAY.
A POPULATION OF BUTTERFLY FISH
THE TERM 'POPULATION' REFERS ONLY TO THOSE MEMBERS OF A CERTAIN SPECIES THAT LIVE WITHIN A GIVEN AREA. THE TERM 'SPECIES' INCLUDES ALL MEMBERS OF A CERTAIN KIND, EVEN IF THEY EXIST IN WIDELY SEPARATED AREAS.
A COMMUNITY IS THE COLLECTION OF ALL THE INTERACTING POPULATIONS OF DIFFERENT SPECIES EXISTING IN A GEOGRAPHICAL AREA. IT IS A COMPLEX INTERACTING NETWORK OF PLANTS, ANIMALS, AND MICRO-ORGANISMS.EACH POPULATION PLAYS A DEFINED ROLE IN THE COMMUNITY.
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