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The most pervasive form of habitat disruption...
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Conservation Biology

Ch. 31 Review - Conservation Biology

QuestionAnswer
The most pervasive form of habitat disruption... Clear-cutting forests
The environment most vulnerable to pollution... Aquatic environments
The cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of... The Nile Perch
The most prairie dog habitat area can be found in... Wyoming
The original decline of the Illinois prairie chicken was due to the advent of the... Steel plow
The major cause of loss of numbers of migratory birds is... Habitat fragmentation
Since 1600 AD, the most recorded extinctions have occurred among... Flowering plants
The rich variety of life in every ecosystem on earth is known as... Biodiversity
The idea that every species is of value in it's own right and plays a role in the beautification of our planet... Ethical and Aesthetical Economic Value
Location of a majority of historic extinctions... Islands
The practice of studying plant/animal genomes for genes that may be useful in future genetic engineering is known as... Genome prospecting
Animals weighing more than 100 lbs are referred to as... Megafauna
The plant-life in a particular area is referred to as the natural... Flora
The 'elephant bird,' OR ___ is now extinct. Aepyornis
The surviving individuals of all species of rhinos amount to less than... 11,000 species
As habitats become fragmented, the amount of edge effect... Increases
When two species need each other to survive it is known as... Interdependence
A species that lands in a new place and upsets the natural balance is known as a(n)... Invasive (introduced) species
A law that protects animals or plants that are in danger of going extinct is the... Endangered Species Act
The increasing concentration of a harmful substance (like DDT) in organisms at higher trophic levels in a food chain/web... Biological magnification
Applied discipline that seeks to learn how to preserve species... Conservation biology
Is as normal and necessary as species formation is to a stable world ecosystem... Extinction
Move than ___ of species known to science are now extinct. Ninety-nine percent
___ has been around for only the last 10,000 years and has both increased the survival of OUR species while decreasing the survival of OTHERS Agriculture
Scientific name for 'modern day humans'... Homo sapiens
Refers to a species that occurs in one region and nowhere else in the world. Endemic
The value of benefits produced by species without consumption... Indirect economic value
The value of products we obtain from species of plants, animals and other groups Direct economic value
Whales are rare in the world's oceans today due to ___ Commercial whaling
Before the rise of petroleum, oil made from ___ was an important commercial product Whale blubber
The ___ was formed to regulate commercial whale hunting. International Whaling Commission
The introduction of the Nile perch to ___ drove down the population of cichlids dramatically. Lake Victoria
Wild populations of ___ are now extinct, most likely due to coyotes Black-footed Ferrets
A(n) ___ is often undertaken when population numbers are dropping rapidly in order to restore healthy numbers Captive Breeding Program
The danger of decreased ___ is that members do not have as much opportunity to survive should the environment change drastically. Genetic variability
The ___ is a wild bird renowned for its flamboyant mating rituals and was once abundant in many midwestern states Greater Prairie Chicken
To find solutions to decreased genetic variability, ___ transfer birds from genetically diverse populations Wildlife managers
The ___ is an annual amateur ornithologist and bird watcher count hosted by the US fish and wildlife organizations Breeding Bird Survey
As ___ are broken up by roads and developments it is becoming increasingly difficult to find contiguous areas for birds to next successfully Woodlands
To understand whether a particular species is vulnerable to extinctions, a biologist will look for changes in ___ and habitat availability Population size
The estimated number or density of individuals necessary for the population to maintain or increase its numbers is known as the ___ Minimum viable population
Two components of particular importance in the PVA are demographic and genetic ___ Stochasicity
Collections of small populations each occupying a suitable patch of habitat in an otherwise unsuitable landscape Metapopulations
A species of particular importance within an ecosystem... Keystone species
Created by: SavannahElkins
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