At the Cellular Level Multi-Celled Organism Cancer Cells Single-Celled Organism Priority Organism Cell Cell Modus Operandi Cooperation Competition Competition Growth No Yes Yes Immortality No Yes Yes Movement No Yes Yes Glycolysis No Yes Yes De-Specialization No Yes Yes Autonomy No Yes Yes Host Destruction No Yes Yes Exponential Growth No Yes Yes Invasion/Novel Environments No Yes Yes Competition for Resources No Yes Yes Genomic Instability No Yes Yes Figure 11.3: Behavior of multi-celled organisms, cancer cells and single-celled organisms.