Chapter 6 Test Flashcards
Which of the following is NOT part of overall biodiversity?
individual diversity
The tiger, jaguar, and lion are all members of the same
genus
What provides the raw material for adaptation to local conditions?
genetic diversity
Which of the following increases species diversity?
speciation
The disappearance of a particular population from a given area, but not of the entire species globally, is called
extirpation
Globally, the leading cause of biodiversity loss is
habitat change and loss
The illegal capture or killing if an organism, often for money, is called
poaching
Which of the following forbids the U.S. government and its citizens from harming endangered or threatened species and their habitats?
the Endangered Species Act
Some conversation biologists focus on areas where the greatest number of unique species can be protected with the least amount of effort. These areas are called
biodiversity hotspots
The eastern long-beaked echidna is an egg-laying mammal found only in New Guinea. Which of the following terms describes an organism such as the echidna that is found in one place and nowhere else in the world?
endemic
Biodiversity tends to decrease nearer the equator. True/False
False
Threatened species are a the highest risk of extinction. True/False
False
Climate change can have global, not just local, impacts on biodiversity. True/False
True
The process of breeding and raising organisms in controlled conditions is called cloning. True/False
False
Biodiversity
variety of life in the world or in a particular habitat or ecosystem
Species diversity
the number of different species in a particular area and their relative abundance
Genetic diversity
biological variation that occurs within species
Ecosystem diversity
variety of different habitats and communities
Extirpation
local extinction of an organism or species, where it/they cease to exist in a particular area but continue to exist elsewhere
Endangered species
species of animal or plant that is seriously at risk of extinction
Threatened species
species that is in danger of becoming endangered
Habitat fragmentation
when parts of a habitat are destroyed
Poaching
illegally hunt or catch
Endangered Species Act
designed to protect species from extinction
Captive Breeding
process of breeding animals outside of their natural environment in restricted conditions in farms and zoos
Species Survival Plan
population management and conservation program for selected species of wildlife
Biodiversity hotspot
regions that contain a high level of species diversity
Endemic
plant and animal species that are found in a particular geographical region
