New York State Chemistry RegentsNew York State Earth Science Regents

Living Environment Regents June 2004 Question 12 PDF Print E-mail


Correct Answer: (3) genetic makeup of a population

Speciation is the process of developing a new species by evolution. Evolution only occurs when there is a significant change in the DNA of a population caused by a change in the enviroinment.

Incorrect Answers:

The temperature can cause evolution; however, this change must be significant in order to derive a change in the DNA of organisms.

Migration refers to the transfer from one region to another at certain times of the year.

Succession refers to the orderly natural changes and species replacements that take place in ecosystem communities over time.


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