The introduction of invasive North American ctenophores into the Black Sea and the Sea of Azov has
A) given unexpected help to the fisheries there by providing a new food source.
B) resulted in the extinction of the native European ctenophores.
C) decimated fisheries because the invasive species competes for food with commercial fish species.
D) crippled the tourist industry because ctenophores sting swimmers.
Question 2
Which one of the following is not an example of use of biomass energy of a forest?
A) Indigenous peoples harvest tagua nuts from trees in a rain forest, carve them into animal sculptures, and sell them in the local market to tourists.
B) While hiking through a forest in the Appalachian Mountains, some college students gather dead branches from the ground to make a fire for cooking dinner.
C) Native people living on the Brazilian coast earn money by cutting mangrove trees and converting the wood into charcoal.
D) In downstate Illinois, a farmer cuts up dead standing trees from a forest on his property and delivers the firewood to people living in the suburbs of St. Louis.
Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
The explosion of the Maine in Havana harbor, killing 260 men, caused much speculation in the newspap
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Foundations of American Education: Becoming Effective Teachers in Challenging Times
North American Indigenous Woman