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In the Pacific Ocean off the coast of Peru, winds are pushing warm surface water away from the shore and allowing cold, nutrient-rich water to reach the surface, resulting in a surge of productivity and a very rich season for sardine fishermen. This region of the ocean is experiencing

Which is a major reason that scientists are alarmed by the rapid and massive loss of amphibians?

Mendel’s First Law states that: 

The amount of energy that comes from the sun and is captured by Earth that is used by producers for photosynthesis

A conservation group is debating the benefits of working specifically on the protection of an endangered species versus establishing a protected area that encompasses the habitat of that species. Which benefit would be provided only by the protected area option?

How many chambers does the amphibian heart have?

A conservation biologist is promoting the preservation of a wilderness site that includes a stand of old-growth forest. She emphasizes the age of the trees and the importance of preserving this ancient ecosystem for future generations. She states that “it is the right thing to do.” This scientist is arguing that biodiversity (as exemplified by this ancient forest) is important because

These abiotic factors determine the biome found in a particular geographic location.  Select ALL correct answers.

Spicules are

Developers are building ten new homes on a parcel of land of one habitat type. Local zoning regulations require that they leave some of the land in its natural condition to conserve native species. They can set aside either one large plot or five small separated plots. The total amount of conserved area is the same in either case. Which choice, if either, would be best for maintaining biodiversity, and why?