ملاحظة
في خطاء في اسئلة اختبار الفصل الثاني 1436 (المكتوب)
23- Communication system need to be species specific, this means :
A. They can be used by members of other species
B. They are only used by members of other species
C. They are used by some members of other species
D. They are triggered by the environment
الخيار الي موجود باالأسئلة ، والي هو الخيار الصحيح
B. they are only used by the members of the species
الي حاب يتأكد يروح يشوف الاسئلة المصورة