i think it is non renewable resources and renewable resources
Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days<span>.</span>
Allele frequencies in a population may change due to four fundamental forces of evolution: Natural Selection, Genetic Drift, Mutations and Gene Flow. Mutations are the ultimate source of new alleles in a gene pool. Two of the most relevant mechanisms of evolutionary change are: Natural Selection and Genetic Drift.
Cells —-> Tissues
Tissues ——> Organs
Organs ——> organ systems
Organ systems ——> organism
Organisms ——> populations
Populations ——> community
Communities——-> ecosystem
Ecosystems ——-> biomes
Biomes ——-> biosphere (aka Earth!)
