Protecting Ecosystems | Grade 5 | Unit 1 - Concept 3 - Lesson 1 | Science

شرح ساينس الصف الخامس الابتدائي لغات - الفصل الدراسي الأول شرح ساينس خامسة ابتدائي - ترم أول لينك تحميل الملزمة https://drive.google.com/file/d/1VbBK... لينك تليجرام https://t.me/mrahmedelbashagroup In This Lesson: any island, we can observe that what is happening on land affects what is happening in the marine environment. ▌ People in Palau uses different conservation programs to protect the marine environment and its resources by creating well-designed protected marine environment, where : ► People in Palau control the human activities on land to keep the protected marine environment from pollution by avoid throwing waste materials in ocean. ► Fishers must not overfishing coral reefs to conserve the marine environment. How does ecosystem change affect food webs ? Food webs Look at this marine food web, then observe which organisms eat other organisms : From the previous marine food web, we observe that: بالتوفيق مستر احمد الباشا