3.2 Community Composition Flashcards
What does ecological succession mean?
the process by which the mix of species and habitat in an area changes over time
What does primary succession mean?
when a new area of land is populated by a group of species for the first time
What does secondary succession mean?
when a climax community or intermediate community is impacted by a disturbance
What does pioneer species mean?
species that first colonize new habitats created by disturbance
What does seral stages mean?
an intermediate stage found in ecological succession in an ecosystem advancing towards its climax community
What does climax community mean?
An ecological community in which populations of plants or animals remain stable and exist in balance with each other and their environment
What does species richness mean?
the number of species within a defined region
What does species evenness mean?
the measure of the relative abundance of different species within a community
What does genetic diversity mean?
the range of different inherited traits within a species
What does ecological diversity mean?
the diverse array of ecosystems being seen in a huge geographical location