The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 496
... living forms or colo- nies in a gelatinous matrix ; reproduction by fission only ; in- cludes Microcystis ( bloom former ) . Order Chamaesiphonales . Attached , frequently elongate uni- cells , solitary or gregarious ; reproduction by ...
... living forms or colo- nies in a gelatinous matrix ; reproduction by fission only ; in- cludes Microcystis ( bloom former ) . Order Chamaesiphonales . Attached , frequently elongate uni- cells , solitary or gregarious ; reproduction by ...
Page 706
... living species . + Superorder Ichthyostegalia Fossils only ; Upper Devonian to Lower Mississippian ; Eu- rope , North America , Greenland ; with limbs and fishlike tail ; otic notch present ; size to about 90 cm ; probably largely ...
... living species . + Superorder Ichthyostegalia Fossils only ; Upper Devonian to Lower Mississippian ; Eu- rope , North America , Greenland ; with limbs and fishlike tail ; otic notch present ; size to about 90 cm ; probably largely ...
Page 1029
... living world . Yet prob- lems exist that must be overcome . Maintaining the proper internal concentration of water may cost organisms some energy in salty environments . An organism living in a concentrated desert lake or coastal lagoon ...
... living world . Yet prob- lems exist that must be overcome . Maintaining the proper internal concentration of water may cost organisms some energy in salty environments . An organism living in a concentrated desert lake or coastal lagoon ...
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19th century abrasive accelerator acid actinide actor Adams adhesives administrative adult advertising Aegean aerospace Aeschylus aesthetic Afghanistan agriculture aircraft airplane animals artist atomic Bantu Bantu languages basic behaviour Bronze Age Cameroon carved Central centre changes Chari-Nile languages coast Congo contains countries Cretan Crete crops cultural Cyclades dance Djibouti early East Egypt electrons engineering Ethiopia example farm feet figures flight Ghana important increase industry Kabul Kenya Khoisan Knossos known Lake land languages mainland major masks ment metal modern mountains Mycenae Niger Nigeria Nilotic northern organization oxidation particles patterns percent period plants political population production proton region River Sahara savanna sculpture soil solvent South Africa southern species style Sudan Tanzania temperature theory tion tons traditional tropical United usually West Africa western Yoruba Zaire