The collection of the same species within an area is called a population.

The environment is the sum of all physical, chemical, and biotic factors that affect an organism or community and determine its form and survival.  The environment includes: Living things: Animals, plants, forests, fisheries, and birds Non-living things: Water, land, sunlight, rocks, and air Physical, chemical, and other natural forces  The environment can be categorized into three types: Internal environment External macro environment External micro environment  The environment can also be categorized into two types: Geographical environment Man-made environment  The geographical... Show more

The environment is the sum of all physical, chemical, and biotic factors that affect an organism or community and determine its form and survival. 

The environment includes:
Living things: Animals, plants, forests, fisheries, and birds
Non-living things: Water, land, sunlight, rocks, and air
Physical, chemical, and other natural forces 

The environment can be categorized into three types:
Internal environment
External macro environment
External micro environment 

The environment can also be categorized into two types:
Geographical environment
Man-made environment 

The geographical environment includes all components provided by nature. The man-made environment is created by humans to regulate specific environmental conditions.

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