تم الإجابة عليه: تقل فجاة اعداد الفرائس حتى مع بقاء اعداد المفترسات كما هي كيف تفسر حدوث هذا التغير اذا استثنينا عامل المرض

الحل
- إرشاد ـ تقل جماعات الحيوانات المفترسة
- ماذا أعرف ـ تدخل مفترسات أخرى إلى المجتمع الحيوي ـ
- ماذا أستنتج ـ يحدث نقص في المفترسات القديمة نتيجة تنافسها مع المفترسات الجديدة ـ

أخر المواضيع من قسم : ejabty

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تم الإجابة عليه: تقل فجاة اعداد الفرائس حتى مع بقاء اعداد المفترسات كما هي كيف تفسر حدوث هذا التغير اذا استثنينا عامل المرض

أخر المواضيع من قسم : ejabty