Which of the following is an example of biogeography supporting the theory of evolution?
a. species that develop in different environments all have similar adaptations.
b. many species are common in only one area of the world.
c. species on different continents are more closely related than species on the same continent.
d. the species' environment does not impact how the species evolves.

B. Many species are common in only one area of the world.  

Explanation:

Species that occur in only one region of the world are called Endemic Species.

According to biogeography, an endemic species is that animal or plant species that occurs only in a particular area or geographic region. Endemism is caused by any physical, climatic and biological barriers that effectively delimit the distribution of a species or cause its separation from the original group. When the separation occurs for a long period, the isolated group undergoes a natural selection that develops in it a differentiation of other members of the species.

The Blue Macaw is an example of an endemic species of tropical rainforests in South America.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

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explanation: