Answer:Organisms must struggle to get what they need to survive, competing against other organisms that want the same things they do.
Explanation:
A. disruptive selection
[disruptive selection graph is always bimodal or two-peaked]
Answer:
Bioremediation uses micro-organisms to reduce pollution through the biological degradation of pollutants into non-toxic substances. This can involve either aerobic or anaerobic micro-organisms that often use this breakdown as an energy source.
the interaction of heredity and the environment works to shape who children are and who they will become. While the genetic instructions a child inherits from their parents may set out a road map for development, the environment can impact how these directions are expressed, shaped or event silenced.