Answer:
Both natural selection and genetic drift are mechanisms for evolution (they both change allele frequencies over time). The key distinction is that in genetic drift allele frequencies change by chance, whereas in natural selection allele frequencies change by differential reproductive success.
There are a few, primarily tenderness, swelling, and inflammation... The biggest on would probably be burns.
The introduction of zebra mussels in the Great Lakes is an example of <u>accidental</u> release from ballast water in a foreign container ship.
