Unit 7 Vocab Flashcards
physical rather than biological; not derived from living organisms.
Abiotic
relating to or resulting from living things, especially in their ecological relations.
Biotic
a variety of organisms in an ecosystem or biome
Biodiversity
a dominant community of plants and animals that come to live in an area
Climax community
the changing sequence of communities that live in an ecosystem during a given time period
Ecological succession
a condition or resource that keeps a population at a certain size
Limiting factor
a small or specialized habitat within a larger habitat
Microhabitat
first organisms to live in an area
Pioneer species
a process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil
Primary succession
process started by an event that reduces an already established ecosystem to a smaller population of species
Secondary succession
ability to maintain ecological processes over long periods of time; ability of an ecosystem to maintain its structure and function over time
Sustainability
a large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra.
Biome
an introduced organism that negatively alters its new environment
Invasive Species