The description of an organism's life cycle. Ligase: An enzyme which is of vital importance in recombinant DNA technology. It joins nucleotides together by a phosphodiester bond between the 5'-P end of a polynucleotide chain and the 3'-OH end of another one.

The description of a species' entire life cycle including rearing, feeding, migratory, and breeding behaviors.

A description of the life cycle including the habitat, hosts, and phenological data for each stage.

various life stages of an animal and variations in behavior or migrations associated with each.

The events that make up the life cycle of an animal including migration, spawning, incubation, and rearing. There is typically a diversity of life history patterns both within and between populations. Life history can refer to one such pattern, or collectively refer to a stylized description of the 'typical' life history of a population.

The stages an individual goes through during its life.