Topic 6 lesson2/3 Flashcards
The series of predictable changes that occur in a community over time
Succession
The first species to populate an area during succession
Pioneer species
Process by which a species spreads to a new area
Colonize
when a species is the most abundant species in an ecosystem
Dominate
The number and variety of different species in an area
Biodiversity
A species that influences the survival of many other species in an ecosystem
Keystone species
The disappearance of all members of a species from earth
Extinction
species that are not native to a habitat and can out-compete native species in an ecosystem
Invasive species
Importance
Value
value related to money or profit
Economic
The benefits that humans derive from ecosystems
Ecosystem services
The study of how organisms interact with each other and their environment
Ecology
Anything naturally occurring in the environment that humans use
Natural resources
The practice of using less of a resource so that it can last longer
Conservation
The ability of an ecosystem to maintain biodiversity and production indefinitely
Sustainability