Describe three instances of possible evolutionary mechanisms observed in the natural world which allowed the organism to more successfully survive and reproduce. Include the environmental factors that induced those changes.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

which fault and or fold did you find most difficult to diagram

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question