A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
living thing level of biological organization
living thing require natural resources
living thing has characteristic genetic variation
living thing has characteristic genotype
living thing has characteristic phenotype
living thing has characteristic biological organization
living thing has characteristic competition
living thing has characteristic reproductive potential
living thing has characteristic birth
living thing has characteristic death
living thing has characteristic fitness
living thing has part cell
living thing contained in population
living thing contained in species
living thing contained in community
living thing contained in ecosystem