Yes they can but it would be very rare.
Oh the answer is the Mantle, You can look at a chart and easily find the answer if you don't believe me. But here is a reasoning; Magnesium as well as Aluminum are located within the Mantle.
Answer:
overpopulation and it because harmful and hard to control and possibly will diminish the number of normal fishes by killing them with their dangerous life threatening spikes
D ur welcome and have a good day
Answer:Natural selection is the process through which populations of living organisms adapt and change
Explanation: Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others