It is unsafe because it could give the baby defects.
Scientists are preserving the DNA for research.
Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.
Answer:
1. Ecological succession is the process of change in the species of an ecological community over time.
2. this is to change in external factors, complex like plants become the dominant.
3. the number of individuals organism per unit area can influence population size.
Explanation:
