ساينس الصف الخامس الإبتدئي الفصل الدراسي الاول ساينس خامسة ابتدائي – ترم أول In This part we will study : Self-defense methods against predation Many living organisms have different ways to defend themselves against predators or enemies such as: Self-defense methods Camouflage Mimicry Symbiosis: It is a common food relationship between two different types of living organisms. One benefits from the other and does not harm it (commensalism), while the other may benefit (mutualism) or is harmed (parasitism). Types of symbiosis: A- Mutualism B- Commensalism C- Parasitism لمتابعة مستر احمد الباشا وكل ما يخص الساينس : جروب الفيس بوك http://bit.ly/2Of1mcN صفحة الفيس بوك http://bit.ly/2Gq5xMo بالتوفيق مستر احمد الباشا