Grade 4 | Science | First Term | 2025

Currently Playing: Humans Change the Environment | Grade 4 | Unit 1 - Concept 1 - Lesson 4 | Science

شرح ساينس الصف الرابع الابتدائي لغات - الفصل الدراسي الأول شرح ساينس رابعة ابتدائي - ترم أول لينك تحميل الملزمة https://drive.google.com/file/d/1_trD51064DO4jxzvxf6dmVlyHdUI1JUj/view?usp=sharing لينك تليجرام https://t.me/mrahmedelbashagroup In This Part : Structural Adaptation of fish to breathe under water: - Unlike human, fish don't breathe using lungs, but they have gills to breathe. - Gills are considered as unique structural adaptation that allow fish to live and breathe under water. - Gills are found on both sides of a fish's head. How do fish breathe under water ?: Humans Change the Environment As the human activities have negative effects on animals and plants, they also have negative effects on human such as: The role of human to help restore ecosystem : • As humans can cause harmful changes, they can help restore their ecosystems by : - Replanting the cleared forests. - Removing the pollutants of air and water. - Preserving plants and animals in these ecosystems. بالتوفيق مستر احمد الباشا