Transcript Angiosperms
ANGIOSPERMS Výukový materiál OR 03 - 87 Tvůrce: Mgr. Alena Výborná Tvůrce anglické verze: ThMgr. Ing. Jiří Foller Projekt: S anglickým jazykem do dalších předmětů Registrační číslo: CZ.1.07/1.1.36/03.0005 Tento projekt je spolufinancován ESF a SR ČR ANGIOSPERMS • • • • • • • • eggs are protected in the ovary seeds develop after fertilization of eggs seeds are hidden in fruit trees and herbs create the right flowers flowers bear reproductive organs male – stamens female - pistils ANGIOSPERMS - flower ANGIOSPERMS ANGIOSPERMS Monocotyledonae Dicotyledonae Buttercup family – perennial plants; poisonous, pollinated by insects, fruit – vesicle or achene French bean family – legumes; fruit – pod, on roots – nodal bacteria (they bind air oxygen); pea, bean, lentil, shamrock, vetch Umbellifers – root vegetables; inflorescence – composed umbel, richly divided leaves; fruit – double achene; cow parsley, carrot, dill, giant Astraceae – rich family; some of them produce latex in their tissues; inflorescence – head; fruit – achene, sunflower, daisy, marguerite, dahlia ANGIOSPERMS • among flowering plants include trees • deciduous trees • compared to conifers are their flattened leaves with visible veins • they can be simple or composed • deciduous and mixed forests prevailed formerly in our country • spruce forests prevail nowadays (impact of humans) ANGIOSPERMS • • • • • • • • Silver birch Common hornbeam Black alder Forest beech Sessile oak Eurasian aspen Small-leaved Lime Sycamore maple Revision: • 1) What do flowers bear? ▫ Pistil and stamens • 2) Concurrent veins on the leaves have? ▫ Monocotyledonae • 3) Pentamerous flowers have? ▫ Dicotyledonae • 4) Among monocotyledonae belong? ▫ Lily, Poaceae, Orchids • 5) plants can bind atmospheric nitrogen thanks to… ▫ Nodal bacteria Source of texts and pictures: • DOBRORUKA, Luděk J. Přírodopis pro 7. ročník základní školy. 1. vyd. Praha: Scientia, 1998, 152 s. ISBN 80-718-3134-4