Darwin’s Finches
Beginning of paper
On the Galapagos Islands in the Pacific Ocean lives thirteen different species of finches. Although not much to look at, these thirteen different species, sporting thirteen distinctly different beaks, provide proof of Darwin’s theory of evolution by natural selection. But how did these birds, onc ....
Middle of paper
.... Destruction by man
New Species
A good example of allopatric speciation is the differences between the common giraffe (Giraffa camelopardalis), and the reticulated giraffe (Giraffa cameloparadalis reticula). These two subspecies have formed on different sides of the Tana River in Kenya. They are phenotypically distinct, and can only produce fertile offspring in zoos.
Sympatric speciation occurs when two segments of the same species occupy a geographical area without interbreed ....
------------------
Word count: 964
Page count: 4 (approximately 250 words per page)
