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[Latin introductio - introducing] – spreading of animals and plants outside the borders of natural areal. See Acclimatization.

- Any substance (impact) introduced by a man having a negative influence on the environment (see also Environmental contamination).

historical development of living organisms as a whole, and of separate taxonomic groups. The term Ph. was introduced by E.Hekkel in 1866.

— a collection of all features and properties of an organism formed during interaction of its genotype and the environment. The term was introduced by I. Iohansen in 1903

1 introduce sb (to sb) tanishtirmoq 2 introduce yourself (to sb) o'zini tanitmoq 3 kuchga kirmoq, tatbiq qilinmoq, qo'llanmoq, o'rnatmoq 4 bermoq, ifodalab bermoq, ko'rsa

scientific discipline studying an elemental composition of the Earth, regularity of allocation and migration in it of chemical elements. The term was introduced by K.F.Sh