2. Speciation can occur for many reasons. Geographical isolation occurs when physical barriers such as mountains or continents keep two organisms apart. During the formation of peninsulas, populations of fish may become separated. What type of evolution is described when a population of fish develops into two separate species as a result of geographical isolation?

F. Coevolution
G. Convergent evolution
H. Divergent evolution
J. Diversity within a species

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

it's d - life cycles - apex

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d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.