Ecology
Dictionary Definition -
the study of the relationships between living organisms and their environment
Dictionary Definition -
the study of the relationships between living organisms and their environment
2.1 Organization - Patterns exist in Populations
Patterns Exist in Populations

Size of Population
- May change over time as a result of factors such as the change of seasons or interactions with another species.

Spatial Patterns
- Population distribution may result from the way organisms gather resources or from need for mutual protection