The Introduction of ____ Had a Long Delayed Effect on Raising

question 144

Short Answer

The introduction of ____ had a long delayed effect on raising productivity growth in the late 1990s.

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Definitions:

Ecosystem Function

The collective biological, geochemical, and physical processes within an ecosystem, which support and regulate the flux of energy and matter.

Top-down Processes

Cognitive processes that are guided by higher-level mental processes, such as experience, expectations, and motivations.

Food Webs

Complex diagrams that show the feeding relationships among species within a community, highlighting who eats whom and the transfer of energy through the ecosystem.

Keystone Species

A species that plays a critical role in maintaining the structure of an ecological community, affecting many other organisms in the ecosystem and helping to determine the types and numbers of various other species in the community.