Chapter 5-Review #2

Front

Eutrophication is a type of pollution in which:

Back

phosphorus-rich and nitrogen-rich substances flowing into waterways cause algal overgrowth

Front

Background extinction is an event in which a large percentage of all living species become extinct in a relatively short period of time. True or False?

Back

False

Front

Natural resources are all materials and organisms found in the biosphere, including minerals, fossil fuels, nuclear fuels, plants, animals, soil, clean water, clean air, and solar energy. True or False?

Back

True

Front

What is species diversity?

Back

in a biological community, the number and abundance of different species

Front

Which is an example of genetic diversity within a rain forest?

Back

many variations of jaguar spots

Front

Which is an example of the aesthetic value of a healthy ecosystem?

Back

a beautiful waterfall

Front

Which would be a direct effect caused by habitat fragmentation? Options: waterfowl unable to breed due to a drained wetland, harvested trees result in less leaf litter for rich soil, box turtles separated by a road and unable to mate, jaguars unable to find enough food in smaller forests

Back

box turtles separated by a road and unable to mate

Front

What is genetic diversity?

Back

variety of inheritable characteristics or genes in an interbreeding population

Front

What causes the edge effect in habitats?

Back

fragmentation of habitat

Front

Which organisms are affected most by biological magnification? Options: mice, wolves, algae, plants

Back

plants