Answer:They would compete with native snake species for resources, causing a decline in native snake population and possibly extinction.
Explanation:
Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.
Answer:
You could use a magnet to collect the iron, and then wash the sawdust off. Hope this helps :)