The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 250
... microscopes has demonstrated new and important features of the flagellar apparatus , cell division process , and ... microscopic studies , but they have suggested additional change as well . Since 1960 the number of classes has nearly ...
... microscopes has demonstrated new and important features of the flagellar apparatus , cell division process , and ... microscopic studies , but they have suggested additional change as well . Since 1960 the number of classes has nearly ...
Page 598
... microscopic proportions . The male game- tophyte is ultimately shed as the pollen grain ; the female gametophyte , the embryo sac , is retained on the sporo- phyte in the ovule . If suitable pollen grains are trapped on the receptive ...
... microscopic proportions . The male game- tophyte is ultimately shed as the pollen grain ; the female gametophyte , the embryo sac , is retained on the sporo- phyte in the ovule . If suitable pollen grains are trapped on the receptive ...
Page 644
... microscope . The saguaro , or giant cactus , is estimated to attain ages in the hundreds of years . Pollination is mostly by insects or birds , though some- times by other animals such as bats . Because there is no precise mechanism ...
... microscope . The saguaro , or giant cactus , is estimated to attain ages in the hundreds of years . Pollination is mostly by insects or birds , though some- times by other animals such as bats . Because there is no precise mechanism ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe