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Questions and Answers
What is the primary consequence of habitat loss on land and in water?
What is the primary consequence of habitat loss on land and in water?
- Species migrate to a new habitat
- The habitat is completely restored
- The habitat becomes more diverse
- The original habitat is no longer capable of supporting the species and communities that naturally occur there (correct)
What is the leading cause of terrestrial habitat loss?
What is the leading cause of terrestrial habitat loss?
- Agriculture (correct)
- Mining
- Dredging
- Urbanization
What is a consequence of overgrazing in arid and semiarid lands?
What is a consequence of overgrazing in arid and semiarid lands?
- Increased crop yields
- Desertification (correct)
- Increased biodiversity
- Reduced soil erosion
What is the primary driver of biodiversity loss?
What is the primary driver of biodiversity loss?
What is habitat fragmentation?
What is habitat fragmentation?
What is one of the effects of habitat fragmentation?
What is one of the effects of habitat fragmentation?
What is a strategy to reduce the impact of habitat degradation?
What is a strategy to reduce the impact of habitat degradation?
What is an example of overexploitation?
What is an example of overexploitation?
What percentage of birds are threatened due to the introduction of invasive exotic species?
What percentage of birds are threatened due to the introduction of invasive exotic species?
Which of the following is an effect of climate change on ecosystems?
Which of the following is an effect of climate change on ecosystems?
What is a consequence of species introductions?
What is a consequence of species introductions?
What is an example of multiple drivers acting together in an ecosystem?
What is an example of multiple drivers acting together in an ecosystem?
What is a result of the introduction of invasive species on freshwater ecosystems?
What is a result of the introduction of invasive species on freshwater ecosystems?
What is the primary concern for people in developing countries regarding biodiversity?
What is the primary concern for people in developing countries regarding biodiversity?
What is the main difference between endangered and threatened species?
What is the main difference between endangered and threatened species?
What was the outcome of the conservation efforts for the Arabian oryx?
What was the outcome of the conservation efforts for the Arabian oryx?
What was the significance of the passage of the Endangered Species Act (1973) in the U.S.?
What was the significance of the passage of the Endangered Species Act (1973) in the U.S.?
What was the outcome of the conservation efforts for the giant panda bear?
What was the outcome of the conservation efforts for the giant panda bear?
What is the term for the situation where the total impact of two or more threats is greater than the sum of their individual impacts?
What is the term for the situation where the total impact of two or more threats is greater than the sum of their individual impacts?
Which of the following species is most likely to become extinct?
Which of the following species is most likely to become extinct?
What is the primary goal of the IUCN Red List?
What is the primary goal of the IUCN Red List?
What is the outcome when a species is no longer found in an area it once inhabited but still exists elsewhere?
What is the outcome when a species is no longer found in an area it once inhabited but still exists elsewhere?
What is a common characteristic of organisms that are more likely to become extinct in small, restricted areas?
What is a common characteristic of organisms that are more likely to become extinct in small, restricted areas?
What percentage of endangered species of plants are threatened by overexploitation?
What percentage of endangered species of plants are threatened by overexploitation?
What is a common reason for overexploitation in aquatic systems?
What is a common reason for overexploitation in aquatic systems?
What is a strategy to reduce the impact of overexploitation?
What is a strategy to reduce the impact of overexploitation?
What is a consequence of overexploitation in aquatic systems?
What is a consequence of overexploitation in aquatic systems?
What is a type of species introduction?
What is a type of species introduction?
What is the primary purpose of habitat management?
What is the primary purpose of habitat management?
What is the term for concealing or protecting animals from the elements or enemies?
What is the term for concealing or protecting animals from the elements or enemies?
What is the maximum population size that an environment can support?
What is the maximum population size that an environment can support?
Why are population censuses conducted in wildlife management?
Why are population censuses conducted in wildlife management?
What is the purpose of regulating hunting activity in wildlife management?
What is the purpose of regulating hunting activity in wildlife management?
Why are artificial introductions implemented in wildlife management?
Why are artificial introductions implemented in wildlife management?
What is the primary reason for implementing seasons in wildlife management?
What is the primary reason for implementing seasons in wildlife management?
What is the term for the movement of animals from one location to another?
What is the term for the movement of animals from one location to another?
What is the primary goal of managing a wildlife population?
What is the primary goal of managing a wildlife population?
Why are non-native species introduced to new habitats?
Why are non-native species introduced to new habitats?
What is the level of hierarchy where we count the number of genes within a population?
What is the level of hierarchy where we count the number of genes within a population?
At which level of hierarchy do we count the number of different species?
At which level of hierarchy do we count the number of different species?
What is the highest level of hierarchy in the biodiversity count?
What is the highest level of hierarchy in the biodiversity count?
What is the level of hierarchy where we count the number of different ecosystems?
What is the level of hierarchy where we count the number of different ecosystems?
What is the level of hierarchy where we count the number of different populations?
What is the level of hierarchy where we count the number of different populations?
What is the hierarchy of the biosphere?
What is the hierarchy of the biosphere?
what is the term for the measure of number of species
what is the term for the measure of number of species
what are the two most important facctors that determine the number of species in an area?
what are the two most important facctors that determine the number of species in an area?
what are the most important factors in determining species in aquatic systems?
what are the most important factors in determining species in aquatic systems?
how many species of vertebrates are there?
how many species of vertebrates are there?
what does species diversity take into account?
what does species diversity take into account?
more diverse communities are more?
more diverse communities are more?
how much of habitable land is urban and built up?
how much of habitable land is urban and built up?
what are other reaosns to the harvest of aquatic systems?
what are other reaosns to the harvest of aquatic systems?
what diseases had an impact on american forests
what diseases had an impact on american forests
which invasive insect had an effect on ecosystem structure
which invasive insect had an effect on ecosystem structure
which freshwater organism impacted ecosystems
which freshwater organism impacted ecosystems
are organisms in higher trophic levels more endangered towards extinction?
are organisms in higher trophic levels more endangered towards extinction?
how many species are listed as threatened with extinction according to the IUCN?
how many species are listed as threatened with extinction according to the IUCN?
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Study Notes
We can look at biodiversity by counting up the number of different types (or variants) at various levels of a hierarchy: Genes within populations. Populations within species. Species within communities and ecosystems. Ecosystems within landscapes and the overall biosphere
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