Encyclopædia Britannica: A New Survey of Universal Knowledge, Τόμος 11Walter Yust Encyclopædia britannica, Incorporated, 1947 |
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Σελίδα 24
... species , biennially in others and the leaves of each successive crown usually persist for several years . Whenever cones are produced , a new crown of leaves is not formed until the following year or the plant may remain dormant for ...
... species , biennially in others and the leaves of each successive crown usually persist for several years . Whenever cones are produced , a new crown of leaves is not formed until the following year or the plant may remain dormant for ...
Σελίδα 25
... species contain an alkaloid which must be washed out and separated from the starch when used as food . The very young leaves of some East Indian species of Cycas are cooked as vegetables . The seeds of many species serve as food for ani ...
... species contain an alkaloid which must be washed out and separated from the starch when used as food . The very young leaves of some East Indian species of Cycas are cooked as vegetables . The seeds of many species serve as food for ani ...
Σελίδα 491
... species is adequately analysed on Mendelian breeding are merely due to the appearance of recessive char- lines a very large number of genes are found to affect any characters , and that it should be theoretically possible to eliminate ...
... species is adequately analysed on Mendelian breeding are merely due to the appearance of recessive char- lines a very large number of genes are found to affect any characters , and that it should be theoretically possible to eliminate ...
Άλλες εκδόσεις - Προβολή όλων
Encyclopædia Britannica: A New Survey of Universal Knowledge, Τόμος 11 Walter Yust Προβολή αποσπασμάτων - 1956 |
Συχνά εμφανιζόμενοι όροι και φράσεις
16th century American appeared appointed archegonia army axis basilar membrane battle became born bract breakwater British cells centre century Charles chief church coast command cones conifers Cotyledons court Cupressaceae cycads death died district earl early east edition educated embryo embryogeny England English entrance French genera German Gustavus gymnosperms Gypsies gyro gyroscope Habsburg hair Hall hallucinations Hamburg Hamilton Handel Hannibal harbour Hastings Hausa Hawaiian important India industry island John king known land later Leipzig London Lord Lübeck manufacture ment nucellus original ovules Paris poems political pollen pollen tube polyembryony port president province published railway river Roman scale seed shelter ship species sporophylls sq.mi studied suspensor Taxodiaceae tion town trade tube usually uterus William