Answer:
Natural selection
Explanation:
According to Darwin, natural selection is the mechanism through which evolution takes place. Natural selection is the mechanism through which the heritable traits characteristic changes in an organism over the generations. Variations in traits of organisms are passed down through the generations and each generation has their genes affected by the environment.
- Energy
"Matter is recycled, but energy is not. In an ecosystem, matter is represented by the presence of biogeochemical elements such as Hydrogen, Carbon, Nitrogen, Oxygen, Phosphorus and Sulfur."
Answer:
D - Cell Division
Explanation:
This is because the DNA needs to be replicated in order for the cells to be able to divide and create new daughter cells.
