Two communities have the same yearly mean temperature and rainfall but very different species compositions and characteristics. The best explanation for this phenomenon is that the two communities

Seasonality in climate is caused directly by

Two communities have the same yearly mean temperature and rainfall but very different species compositions and characteristics. The best explanation for this phenomenon is that the two communities

The biogeochemical cycle that does not have an atmospheric component and therefore only cycles locally is the

NaCl (sodium chloride) is formed by a(n)

The process of genetic drift describes

Compared with the original population, an isolated “founder” population of a species will usually

The close resemblance between the viceroy butterfly, an inoffensive edible species, and the monarch butterfly, a poisonous inedible species, is a good example of

Hummingbirds use their long beaks to drink nectar from flowers. In turn, they carry the pollen from flower to flower, assisting with the reproduction of the flowers. What relationship does this describe?

Differences of bird songs between two closely related species of meadowlarks represent a mechanism for