يوجد في بيوض الطيور مصدر كاف لتغذية الاجنة داخل البيوض لماذا لا يوجد مصدر لغذاء الاجنة في البيوض المخصبة للثدييات

التفكير الناقد ـ يوجد في بيوض الطيور مصدر كاف لتغذية الأجنة داخل البيوض لماذا لا يوجد مصدر لغذاء الأجنة في البيوض المخصبة للثدييات ؟

حل كتاب العلوم خامس ابتدائي الفصل الاول

الاجابة هي
لأن البيوض المخصبة في الثدييات تنمو داخل جسم الأم وعندما تنمو إلى أجنحه تستمد غذاءها من الأم

أخر المواضيع من قسم : ejabty

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اخر المواضيع

يوجد في بيوض الطيور مصدر كاف لتغذية الاجنة داخل البيوض لماذا لا يوجد مصدر لغذاء الاجنة في البيوض المخصبة للثدييات

أخر المواضيع من قسم : ejabty