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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 |
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The extinction of many species in a relatively short period of geologic time is called |
mass extinction |
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A species that may soon become extinct over all or most of its range |
endangered species |
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An acronym summarizing causes of extinction |
HIPPCO |
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According to researchers, the greatest threat to wild species is |
habitat destruction |
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Which vertebrate animal group has the most endangered species according to the ESA? |
fish |
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When a large, contiguous area of habitat is reduced in area and divided into smaller, more scattered patches |
habitat fragmentation |
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Because birds live in every climate and biome, and because they are easy to track and count, they serve as excellent |
indicator species |
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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 |
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Some toxic chemicals, such as those in DDT, can be stored in the fat tissue of animals. |
bioaccumulation |
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Illegal hunting for profit is called |
poaching |
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A treaty controlling the international trade in endangered species |
CITES |
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The group of animals receiving the most protection by the use of wildlife refuges are |
Migratory birds |
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The mission of captive breeding programs is to |
reintroduce species back into the wild |
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Collecting eggs from the wild and hatching them in captivity |
Egg pulling |
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Taking measures to prevent harm to the environment and human health even if the science has not been fully established |
precautionary principle |
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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 |
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A term describing wild, non--game animals killed in tropical regions often by poachers. |
bush meat |
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Has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973. |
NMFS - National Marine Fisheries Service |
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The U.S. ____________________ has the responsibility for identifying and listing endangered and threatened species other than ocean species. |
FWS- Fish and Wildlife Service |
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The country of ______________ is the poorest in the western hemisphere and does the least to protected its land and biodiversity. |
Hati |
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The country of __________________ does the most to protect its natural resources and ecosystems. |
Costa Rica |
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An example of an extinct species |
Passenger Pigeon |
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An example of a species that was brought back from the brink of extinction. |
California Condor |
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An example of an accidentally introduced invasive species |
Zebra Mussel |
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An example of an deliberately introduced invasive species |
Kudzu Vine |