People whithin small groupols, often of the same kinship.
The study of the structure and function of biological communities
The horizontal spacing of plants or animals that may be random, uniform or regular, or clumped or contagious.
An assemblage of species populations occurring together within a partuclar geographic area whose ecological functions and dynamics ar ein some way interdependent.
The study of how people allocate scarce resources for various uses.
Subsistence activities that rely on wild food resurces of the major portionsthe food supply.
Subsistence agriculture using simple tools and without complex irrigation and ferilization techniques.
A subsistence activity in which tehnology and labor are used to create artificial ecosystems, with domisticated plants and animals supplanting the native community and human use of fertilizers and irrigation systems supllanting natural nutrient cycles.
The morphology of a plant based on the relation of the ground surface to the plant's embryonic or regenerating tissue.
The movement of individuals or their propagules ( ex: seeds, spores, larvae) from one area to another.
The movement of an entire social group to meet resource needs.
non renewable resources
A resource that is not replaceable (ex: fossil fuel).
The study of ecological communities based on their fossil record
The reliance on herding domisticated animals as the major food resource for a society
The periodic phenomena in organisms that are tied to periodic environmental change
The origin and evolution of a group of animals or plants
The form and sgtructgure of an ecological community
The sequential changes that occur in cological communties that develop in newly created environments
The tendency of ecological communties to follow fairly predictiable patterns of change
A resource that is replaceable. ex: oxygen
The maintenance of resources that can be replaced or renewed and therefor are not depleted
Teh sequential changes that occur in cological communities that have been disturbed
Meeting the needs of the present generation without compromising the ability of future generations to meet their own needs
A horticultural practice in which vegetation is slashed and burned to clear a plot for planting crops
The movement of only a portion of a social grop to meet resurce needs, the other portion of the group remaining in a permanent settlement.
A vertical or horizontal belt characterized by a particular assemblage of plants or animals