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Courtesy: www.lab-initio.com
Ecology
• the study of the
interactions among
living things and
their surroundings
– Eco: (from Greek
oikos, meaning
“house”)
Organism
• Organism
– An individual
living thing
Population
• Population
– A group of the
same species
living in the
same area
Community
• Community
– A group of
different
species that
live together
in one area
Definitions
• Ecosystem
– All of the organisms (biotic) as well as the
climate, soil, water, rocks and other
nonliving things (abiotic) in a given area
• Biome
– A major regional or global community of
organisms, usually characterized by the
climate conditions and plant communities of
the region