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ENV SC Ch 7 Study Gu

QuestionAnswer
What is biodiversity? The variety of organisms in an area, by species, genes, population, and communities.
Where are the most biodiverse areas located/ Near the equator
What is species diversity? Variety of species in a given area
What is the increase in species richness toward equator? Latitudinal gradient
What are 3 benefits of biodiversity? Agriculture, Medicine, Ecotourism
What is the difference between resistant and resilient? Resistant is change without losing function. Resilient is affected by change "bounce back"
Who are taxonomists? Scientist who classify species
Describe habitat fragmentation Patches of suitable habitat surrounded by unsuited habitat
What is overharvesting? Occurs when humans hunt ,fish, or harvest a species faster than it can reproduce
What is poaching? Illegal capture or killing an organism.
What is captive breeding? The process of breeding and raising organisms under controlled conditions.
What is the greatest cause of change in biodiversity? Habitat change and loss
Which type of diversity is associated with Differences in DNA among individuals Genetic Diversity
Which type of diversity is associated with variety of species in a given area Species Diversity
Which type of diversity is associated with variety of habitats, ecosystems, communities Ecodiversity
What does it mean when a species becomes threatened? Species likely to become endangered soon
What does it mean when a species becomes endangered? Species that are at serious risk of extinction
What does it mean when a species becomes extinct? Last member of the species dies
What (#) mass extinction are we entering? Sixth
How do invasive species affect native species? Invasive species can outcompete and displace native
Are all invasive species harmful? No
What is cloning? Copying DNA of endangered species
What is Debt for Nature Swap? Money used to encourage nature preserves in developing nations
What is Endangered Species Act Protests Biodiversity
What is Species Survival Plan Breeding and raising organisms in captivity
What is The convention of Biological Diversity A meeting between nations in 1992 in Rio de Janeiro to conserve biodiversity
Created by: dlaneyehs
 

 



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