Exam 18: The Biosphere And Human Effects

The dark pink color at the top of this picture represents the ____ biome.

In 2001,the ____ became the first invertebrate to be listed as endangered by the U.S.Fish and Wildlife Service.

Plastic pollution has had serious ecological consequences in ____.

A(n)____ species resides where it evolved,and is found nowhere else on Earth.

Permafrost is ____.

Protecting biodiversity can be problematic even for developed countries because ____.

Match each description with the appropriate biome.Some choices may be used more than once. -sometimes called the "lungs of the Earth"

Which was responsible for destruction of the ozone layer?  

In this freshwater aquatic ecosystem,species composition varies along its length based on rock types,depth,oxygen concentrations,and temperature.

Match each key concept with its correct description. -causes harm to aquatic organisms; burns tree leaves and drives loss of soil nutrients

Match each key concept with its correct description. -Louisiana's Sabine National Wildlife Refuge

The photos of the Muir Glacier taken in 1941 (left)and 2004 (right)demonstrate the consequences of____.  

The Klamath-Siskiyou forest in southwestern Oregon and northwestern California is home to many rare conifers,two endangered birds,and the endangered Coho salmon.Because of this,it is considered to be a conservation _____.

Match each description with the correct aquatic ecosystem. -the type of rock present,plus its depth,and temperature,affect species composition along its length

The dry region on the ____ side of mountains is referred to as a rain shadow.

The Great Pacific Garbage Patch is a region of the north central Pacific where a high concentration of confetti-like plastic particles swirl slowly around an area as large as the state of ____.

The conversion of grasslands or woodlands to desert-like conditions is called ____.

Which biome has a layered structure that will contain many vines and epiphytes?  

Scientists are documenting the level of radiation in ____ forests along the western coasts of North America because they tend to take up and concentrate radioactive material,making it easier to detect.

Which primary succession event led to the formation of the tundra?