Answer:
can you sumarize in the comments and ill tell it to you
Explanation:
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:
d.corazon.ya que sin el no habria vida
Around 4.1 billion years ago the first single celled organism appeared