MrsR.days flashcards chapter 3

The number and variety of organisms that are found in a specific region

To legally gard from harm a species thst is listed as endangered or threatened

A place where there is exceptionally large number of species in a realatively small area

A community is all the populations of all diferent species that interact in a specific area or ecosystem

A dominant species is so abundant that it has the biggest biomass of any community member

A keystone species can greatly affect population numbers and the health of an ecosystem

The size of a population that can be supported indefinetley by the avalibale resources and services of an ecosystem

A species that causes such dramatic changes to the landscape that it creates a new ecosystem 

The series of changes in an ecosystem thst occurs over time following a disturbance

The destruction of a habitat, usually caused by human activites

The practice of clearing forests for logging or other human uses,and never replanting them

A species that is accidentally or deliberatley introduced to a new location,usually a result of human activities

A species that can take over the habitat of a native species or invade their bodies

The use or extraction of a resource untill it is depleted

The death of all of the individuals of a species

The current accelerated rate of extinctions on earth

The renewal of degraded or destroyed ecosystems through active human intervention

The regrowth of a forest either through the planting of seeds or trees in an area where a forest was cut down

The use of a species to control the population growth or spread of an undesirable species

The use of living organisms to clean up contaminated areas naturally

The use of organisms to add essential nutrients to depleated soil