forming stage
121Sex — An organism s sex is defined by the gametes it produces: males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed… …
122Skylab — Infobox Space station station = Skylab station station image size = station image caption = A view of Skylab from the departing Skylab 4 mission insignia = Skylab Patch.png insignia size = insignia caption = sign = Skylab crew = 3 launch = 1973… …
123Plasmodium — This article is about the malaria parasite. For plasmodial slime molds, see Slime mold. Plasmodium Scientific classification Domain: Eukaryota …
124Galaxy morphological classification — Artist s concept illustrating bulge no bulge spiral galaxies. Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance. There are several schemes in use by which galaxies… …
125Spanish architecture — refers to architecture carried out in any area in what is now modern day Spain, and by Spanish architects worldwide. The term includes buildings within the current geographical limits of Spain before this name was given to those territories… …
126drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
127environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
128lake — lake1 /layk/, n. 1. a body of fresh or salt water of considerable size, surrounded by land. 2. any similar body or pool of other liquid, as oil. 3. (go) jump in the lake, (used as an exclamation of dismissal or impatience.) [bef. 1000; ME lak(e) …
