Exam 21: Ecosystems

The water in a deep crater in a bay on a tropical island is a striking pure blue color.The water in the surrounding ocean is more of a green color.Which of the following is a logical hypothesis?

Ecologists often define an ecosystem by describing how ________ and ________ are acquired and distributed by the biotic community.

Regions of Earth that are defined by their unique climatic and ecological features are known as ________.The flora and fauna residing there are particularly adapted to the climate and defining ecological features.

Between late 1997 and mid-2008,satellites observed that warmer-than-average ocean temperatures led to below-average chlorophyll concentrations in the oceans.This finding suggests that continued warming of Earth's oceans could lead to a(n)________ in net primary productivity in the oceans,and the oceans would,therefore,remove ________ carbon dioxide from the atmosphere.

Other than tropical forests,the most productive biomes tend to be

Chemical elements required by living organisms are BOTH ________ within and across ecosystems.

How and why does the global pattern of net primary productivity (NPP)differ between the oceans and terrestrial ecosystems?