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