Gauses rule see competitive exclusion

gelatigenous a. [L. gelatus, congealed; genos, origin] Producing gelatin.

gelatin, gelatine n. [L. gelatus, congealed] A jelly-like substance (gel) obtained from animal tissue; also loosely applied to secretions of animals.

gelatinous matrix An external glandular substance secreted by some invertebrates, into which the eggs are embedded or deposited.

geminate a. [L. geminus, two-fold] To double; occurring in pairs; twins.

gemma n.; pl. -mae [L. gemma, bud] A bud or bud-like organic growth.

gemmation n. [L. gemma, bud] 1. The act of reproducing by budding. 2. Marked with bright colored spots. gemmate a.

gemmipara n., pl. gemmipares [L. gemma, bud; parere, to beget] A form of asexual reproduction where animals reproduce by budding, as hydroids, bryozoans and sponges.

gemmule n. [L. gemma, bud] 1. A bud-like outgrowth that becomes an independent individual. 2. (porif) Composed of a mass of archaeocytes charged with reserves and enclosed in a non-cellular protective envelope. 2. Historically a particle of heredity, hypothesized by Darwin, carried in the cells and able to move to the sex cells that allowed environment to influence inheritance directly.

gemmulostasin n. [L. gemma, bud; stasis, standing] (PORIF) An inhibitor of gemmule germination.

gena n.; pl. genae [L. gena, cheek] (ARTHRO: Insecta) 1. That part of an insect head on each side below the eyes, bordered by the frontal suture, and behind the eyes, by the occipital suture. 2. In Diptera, the region lying between the face and the lower margin of the eye on either side; parafacials or genal groove. 3. In Hymenoptera, the lateral portions of the head between the eyes and the insertions of the mandibles of Formicidae. genal a.

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