The minimum percentage of species that goes extinct during a major extinction event.
75%
100
The value of an ecosystem independent of any benefit to humans.
Intrinsic value
100
The major cause of declining species biodiversity
Habitat loss
100
Legislation prohibiting the killing of all marine mammals
The Marine Mammal Protection Act
100
Habitat that occurs where two different communities come together in an abrupt transition
Edge habitat
200
The factor that has played the largest role in the decreased diversity of domesticated species.
A focus on increased yields/greater harvests
200
The values of an ecosystem as an instrument or tool that can be used to accomplish a goal. Also known as ecosystem services.
Instrumental values
200
One example of how invasive species lead to a decrease in biodiversity.
Act as predators to native species; Act as pathogens to native species; out-compete native species
200
The "old'" theory that suggests that when conservation areas are close to each other, more species will persist
Theory of island biogeography
200
The facility built in a mountain in Norway to preserve plant genetic diversity.
Svalbard Global Seed Vault
300
The group of organisms that has had the greatest number of extinctions historically since 1500
Birds (130 species gone extinct)
300
One of five types of instrumental value.
Provision, regulation, support, resilience, or cultural service.
300
The legislation that prohibits interstate shipping of illegally harvested plants and animals
The Lacey Act
300
As defined by the U.S., a species that is in danger of extinction within the forseeable future
Endangered species
300
The family of animals currentlyexperiencing the greatest global decline; 34 of 6300 known species have gone extinct
Amphibians
400
We are experiencing a decline in _____ diversity in both wild and domesticated species.
Genetic
400
In 1997, scientists calculated that ecosystem services had this monetary value.
$30 trillion per year
400
The expected primary impact of climate change on species diversity
Changes in available habitat due to changing temperatures
400
1973 U.S. law designed to protect species from extinction; gives responsibility to US Fish & Wildlife Service
Endangered Species Act
400
A vine native to Japan that has been introduced into the U.S. capable of growing 1 foot per day
Kudzu
500
According to the IUCN, the term that describes a species that has a high risk of extinction in the future.
Threatened.
500
Aesthetic value falls under what type of ecosystem service?
Cultural service or value.
500
A major piece of international legislation designed to control the trade of threatened plants and animals
CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora)
500
A protected area consisting of zones that vary in the amount of permissible human impact. Designed to protect biodiversity without excluding human activity.
Biosphere reserve
500
The home of the dodo bird, which went extinct when sailors and settlers used them for food on this island.