A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. Animal cells simply have a cell membrane, but no cell wall.
The answer is B. Water/H2O
the term was coined by the Charles Darwin in which he specifies two reasons for an organism to survive and reproduce
1. Fitness. it is the ability of an organism to reproduce and survive in an environment
2. Adaptation. the inherited qualities and characteristics which increases chances of human survival.
the term is fitness