释义 |
trophogenic, a.|trɒfəʊ-, trəʊfəʊˈdʒɛnɪk| [f. tropho- + genic.] 1. Ent. Arising from an insect's feeding habits or diet.
1928W. M. Wheeler Social Insects viii. 193 The castes may be blastogenic..in some groups of social insects, and trophogenic..in others. 1980Insectes Sociaux XXVII. 80 The autogenic determination which separates queen and worker castes is succeeded by the larval trophogenic determination which is also at the origin of the soldiers. 2. Of part of a lake: characterized by the photosynthetic production of oxygen and organic matter. Opp. tropholytic adj. s.v. tropho-. [tr. G. trophogen (E. Naumann Limnologische Terminol. (1931) 696).]
1957G. E. Hutchinson Treat. Limnol. I. ix. 583 Oxygen, produced by photosynthesis in the trophogenic layers of the lake, and methane, produced by anaerobic decomposition in the tropholytic layers. 1979Ecol. Modelling VI. 1 (heading) The modelling of 32P kinetics within the trophogenic zone of a small lake. So troˈphogeny, the determination of an insect's development by its feeding habits.
1923W. M. Wheeler Social Life among Insects vi. 253 It was formerly supposed that all termite eggs were alike and therefore produced young larvae which..took on the various caste characters as a result of differences in feeding (trophogeny). 1938Times Lit. Suppl. 5 Mar. 159/1 Are the castes of ants determined by the diet of the larvae, that is, trophogeny, or in the egg, that is blastogeny? |