Exam 51: Ecology and the Biosphere

In the tropics, warm but nutrient-poor water above continental shelves is often occupied by ____.

Which biome occurs in the interiors of continents where winters are cold and snowy and summers are warm and fairly dry?

-Answer the question using the accompanying figure. Which image represents the position of the Earth during the vernal (March) equinox?

The effects of global climate change are restricted to terrestrial environments.

-Answer the question using the accompanying figure. Which image represents the position of the Earth during the December solstice?

All environments have both ____ and ____ components.

Forests containing ____ trees once stretched unbroken across eastern North America, Europe, and eastern Asia before farmers cleared the land.

An ecologist who studies the distribution of a frog species along a latitudinal gradient is performing a(n) ____ experiment.