The Plant Kingdom PART ONE.

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Presentation transcript:

The Plant Kingdom PART ONE

organelle where photosynthesis takes place The Plant Kingdom 4 General Characteristics: 1) Multi-celled organisms 2) Plants make their own food by photosynthesis 3) They have chloroplasts organelle where photosynthesis takes place chloroplasts- they’re green because they have chlorophyll Chlorophyll- the chemical that gives plants their green color traps light energy for photosynthesis

Chloroplast www.cbs.dtu.dk/staff/dave/ roanoke/oakcell.html

Chloroplast

4 General Characteristics Cont’d 4) Plant cells have cell walls (animal cells do not) cells walls stiff cell walls give structure to each cell also supports the plant made of cellulose http://www.astrographics.com/cgi-bin/ase/ase.cgi?affiliate=sciam&mode=display&gallery=3&type=plant&color=&keywords=&page=10 have holes through which cells share cytoplasm & pass nutrients sugars, water, and hormones

Photosynthesis: Prefix photo means: Light Root word synthesis means: to make Photosynthesis - Process in which plants use water, carbon dioxide, and energy from the sun to make food only occurs in the chloroplasts releases oxygen

6CO2 + 6H2O + light energy = C6H12O6 + 6O2 What process is illustrated here? http://www.geog.ouc.bc.ca/physgeog/contents/9l.html Photosynthesis 6CO2 + 6H2O + light energy = C6H12O6 + 6O2

Products of Photosynthesis http://stqj1.chs.edu.sg/t2002164/photosynthesis.htm

How are plants organized? Seedless Plants Seed Plants Angiosperms كاسيات البذور Gymnosperms معراة البذور Ferns السرخسيات Mossesالحزازيات Algae الطحالب Vascular Nonvascular

L k Xylem & Phloem: Phloem Take another xylem www.karencarr.com/ gallery_stem_diagram.html http://www.fairchildgarden.org/EduProfDev/Leaf_anatomy.html

Xylem & Phloem www.sirinet.net/~jgjohnso/ plant.html

الطحالب Algae نباتات بسيطة لا تتميز الى جذر أو ساق أو أوراق و تتميز الطحالب بأنها خضراء اللون غالبا و قد تكون حمراء أو بنية تعيش أساسا في الماء و تقوم بالبناء الضوئي

oil

الحزازيات Mosses نباتات ذات أوراق بسيطة قد تكون قائمة ( رأسية) أو منبطحة ( أفقية ) تتكاثر بانتاج جراثيم محاطة بكبسولة تعيش في الأماكن الرطبة و ذات أوراق حضراء و تقوم بعملية البناء الضوئي

الحزازيات Mosses

السرخسيات Ferns تتميز الى جذور و سيقان و اوراق لها شكل سعفة النخيل تعيش اساسا في الاماكن الرطبة و تتكاثر بالجراثيم و من اشهر السرخسيات سرخس الفوجير المستخدم في صناعة العطور

السرخسيات Ferns

معراة البذور Conifers ( Gymenosperms) نباتات ضخمة تتكاثر ببذور ( لا توجد داخل ثمار) بل محمولة على مخاريط تنتشر في المناطق الباردة الجافة اغلب انواعها تحفظ اوراقها خلال السنة منها الارز و الصنوبر و السيكاس

معراة البذور Conifers ( Gymenosperms)

مغطاة البذور Angiosperms تتكاثر عن طريق الازهار التي تتحول الى ثمار تحتوي البذور و تتنوع من اشجار صغيرة الى نباتات عملاقة وتنقسم الزهرات الى : نباتات ذات الفلقة الواحدة نباتات ذات الفلقتين

وتقسم النباتات الزهرية الى قسمين حسب نوع البذور فهناك نباتات ذات الفلقة الواحدة ونباتات ذات الفلقتين

نباتات ذوات الفلقة الواحدة Monoccotolydon

نباتات ذوات الفلقتين