The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 423
... female , often wingless or with vestigial wings , carries eggs in egg cases ( called ootheca ) that protrude from her body . After the female deposits an egg case , soft white nymphs emerge , hardening and turning brown in colour upon ...
... female , often wingless or with vestigial wings , carries eggs in egg cases ( called ootheca ) that protrude from her body . After the female deposits an egg case , soft white nymphs emerge , hardening and turning brown in colour upon ...
Page 539
... female cones . When the female cones spread their scales in spring , the megaspores are pollinated by pollen grains from the male cones that have been dispersed by the wind . After pollination , the microspores and megaspores further ...
... female cones . When the female cones spread their scales in spring , the megaspores are pollinated by pollen grains from the male cones that have been dispersed by the wind . After pollination , the microspores and megaspores further ...
Page 755
... female gametes ( sex cells ) from different individuals of the same species . Cross - fertilization must oc- cur in dioecious plants ( those having male and female organs on separate individuals ) and in all animal species in which ...
... female gametes ( sex cells ) from different individuals of the same species . Cross - fertilization must oc- cur in dioecious plants ( those having male and female organs on separate individuals ) and in all animal species in which ...
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19th century agricultural American ancient army atoms bank became began British called capital cell central centre centrifuge Ch'ing Ch'ing-chiang Chang Chao Charles Charles II Charles's chemical Chiang Kai-shek Chicago Chilperic Chimú China Chinese Chou church colour Communist court courtesy culture death département developed duke dynasty early east eastern emperor England English established feet forces France French German important Indian industry island Japanese king known Lake land language later Louis maize major Manchu ment Merovingian miles military Ming Ming dynasty modern molecules Mongol Mountains Museum National northern organized original painting Paris period Pinyin plants political port produced province reaction region reign River Roman shih southern Spain Spanish species square km square miles T'ang Taiwan temple name tion town trade Treaty valley Wade-Giles western World World War II Yüan