Blog

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?

Which group of animals is endothermic?

Sexual dimorhism, as seen in the crayfish, is

The island of Madagascar, off the southern African coast, has a highly unique endemic biota. Roughly 170 million years ago, Madagascar was landlocked in the middle of the supercontinent Gondwana. Gondwana eventually split by continental drift, forming Africa, South America, India, Australia, and Antarctica. For the past 88 million years, Madagascar has been isolated, but some new species can still reach the island from the coast of Africa. This suggests that the evolution of Madagascar’s unique biota is