A group of organisms which lives together in an area is called a
Several populations of organisms living together in one area is called an ecosystem. Added: Actually, several populations of organisms living together in one area is called â¦ a community.3 people found this useful. Group of populations living in an area plus the e â¦ nvironment around them is called ecosystem. + 23 others found this useful. Rochelle Navarrete. 1  Cheap Valentines Day Getaways Many romantic escapes can be expensive because they often focus on luxurious accommodations in high-end areas.