(genetics) The ability of an organism with a given genotype to change its phenotype in response to changes in the environment, including changes that occur during the adult life of the organism.

(genetics) a delay in the expression of a phenotype acquired by mutation.

(biology) The phenotype extended to include effects that genes have on their environment. (ex.: beaver dams, spider webs, ant colonies, a caddis fly's protective cases, etc.)

plural of extended phenotype