Answer:Primary succession occurs on land that is new and has never had a flora and fauna example: glacier retreats, lava flows. Secondary succession occurs on land that has been cleared example: by fire, of flora and fauna, but which still has viable seeds and spores in the soil.
Lower stem .......................................................
Answer:
These three features will maximize genetic diversity in the new population:
1.To investigate species with many offsprings in each generation
2.To use individuals localized in the extremes of the distribution to conform the new population
3.To localize the new population in an ideal environment in order that organisms can reproduce between them
The answer its hybrid vigor