unit 7 Flashcards
Abiotic
Physical rather than biological not derived from living organisms.
Biotic
Relating to or resulting from living things especially in their ecological relations.
Biodiversity
A variety of organisms in an ecosystem or biome
Climax community
A dominant community of plants and animals that come to live in an area
Ecological succession
The changing sequence of communities that live in an ecosystem during a given time period
Limiting factor
A condition or resource that keeps a population at a certain size
Microhabitat
A small or specialized habitat within a larger habitat
Pioneer species
First organisms to live in an area
Primary succession
A process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil
Secondary succession
A process started by an event that reduces an already established ecosystem to a smaller population of species
Sustainability
Ability to maintain ecological processes over long periods of time ability of an ecosystem to maintain its structure and function over time
Biome
A large naturally occurring community of flora and fauna occupying a major habitat
