فيم يتشابه الاخصاب الخارجي والاخصاب الداخلي وفيم يختلفان

أقارن ـ فيم يتشابه الإخصاب الخارجي والإخصاب الداخلي وفيم يختلفان ؟ حل كتاب العلوم خامس ابتدائي فصل اول

الاجابة هي
في كلا النوعين يرتبط المشيج المذكر الحيوان المنوي مع المشيج المؤنث البويضة يتضمن الإخصاب الخارجي وجود أعداد كبيرة من الأمشجة الخلايا الجنسية التي تلقى في الماء أما الاخصاب الداخلي فيتضمن وجود أعداد قليلة من الأمشجة التي تحفظ داخل جسم الأنثى

أخر المواضيع من قسم : ejabty

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فيم يتشابه الاخصاب الخارجي والاخصاب الداخلي وفيم يختلفان

أخر المواضيع من قسم : ejabty