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26 Cards in this Set

  • Front
  • Back

Throughout the 3.5 billion year history of life on earth there has been a natural, low rate of species extinction know as

background extinction rate

The extinction of many species in a relatively short period of geologic time is called

mass extinction

A species that may soon become extinct over all or most of its range

endangered species

An acronym summarizing causes of extinction

HIPPCO

According to researchers, the greatest threat to wild species is

habitat destruction

Which vertebrate animal group has the most endangered species according to the ESA?

fish

When a large, contiguous area of habitat is reduced in area and divided into smaller, more scattered patches

habitat fragmentation

Because birds live in every climate and biome, and because they are easy to track and count, they serve as excellent

indicator species

As animals with toxic chemicals stored in their tissues become food for larger and larger animals, the amount of the toxin gets larger and larger.

biomagnification

Some toxic chemicals, such as those in DDT, can be stored in the fat tissue of animals.

bioaccumulation

Illegal hunting for profit is called

poaching

A treaty controlling the international trade in endangered species

CITES

The group of animals receiving the most protection by the use of wildlife refuges are

Migratory birds

The mission of captive breeding programs is to

reintroduce species back into the wild

Collecting eggs from the wild and hatching them in captivity

Egg pulling

Taking measures to prevent harm to the environment and human health even if the science has not been fully established

precautionary principle

Burmese and African ________________ have ended up in the Everglades in Florida, after being released by their owners because they did not make good pets.

python

A term describing wild, non--game animals killed in tropical regions often by poachers.

bush meat

Has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973.

NMFS - National Marine Fisheries Service

The U.S. ____________________ has the responsibility for identifying and listing endangered and threatened species other than ocean species.

FWS- Fish and Wildlife Service

The country of ______________ is the poorest in the western hemisphere and does the least to protected its land and biodiversity.

Hati

The country of __________________ does the most to protect its natural resources and ecosystems.

Costa Rica

An example of an extinct species

Passenger Pigeon

An example of a species that was brought back from the brink of extinction.

California Condor

An example of an accidentally introduced invasive species

Zebra Mussel

An example of an deliberately introduced invasive species

Kudzu Vine