, They respire and the exchange of gases takes place in their cells., For survival, depend on water, air, and food., , They have no such requirements., They are unsensitive and unresponsive to stimuli., It is things cannot move by themselves. It is things that cannot move by themselves. .

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النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟