Round 4: Last Wild Places

Volcanic activity under Yellowstone National Park creates great spouts of heated water that erupt out of the ground. These water eruptions are called what?

• geysers

• cyclones

Las Vegas, Nevada, was built on what fertile feature in the Mojave Desert?

• plantation

• oasis

The vast North Maine Woods are made up largely of firs and cedars, types of what evergreen tree?

• conifer

• moss

The privet shrub, which was introduced to the US as an ornamental plant, has earned what label for crowding out native species?

• invasive

• social

In Puerto Rico, hurricanes and bleaching have harmed the health of which type of marine habitat?

• boreal

• coral reefs

In migrating from the Arctic to the southern US and Mexico, Canada geese often fly in a formation resembling what letter?

• O

• V

Sea-level rise poses a greater threat to which ecosystem?

• The Sierra Nevada

• The Everglades

Upstate New York's Adirondack Forest Preserve contains which type of tree that produces bright fall colors?

• orange

• sugar maple

Louisiana is home to what watery features whose name may come from the Choctaw for creek?

• bayous

• turnpikes

The prickly pear cactus is more likely to thrive in which type of habitat?

• desert

• tundra