ساينس الصف الخامس الإبتدئي الفصل الدراسي الاول ساينس خامسة ابتدائي – ترم أول In This part we will study : Types of food relationships: Symbiosis Saprophytism Predation 1.Predation: Animals get food by attacking, killing, and devouring other living organisms Predation It is a temporary food relationship that ends by devouring the prey or a part of it . Predation in Animal Carnivores: • Animals (predators) feed on other animals (preys). • Lions, foxes, cats and spiders are Considered predator • The devoured animal is considered a prey. Predation in Plant Insectivorous (insect-eaters) plants: • Some plants perform photosynthesis to make carbohydrates only, but they cannot absorb other compounds from soil to make proteins. • They prey on tiny animals as insects. To get the required elements (nitrogen) to make proteins. Give Reason for … 1. Predation is less common between plants than between animals. Because plants are autotrophic (self-feeders) organisms as they perform photosynthesis process. 2. Predation is a temporary relationship not a permanent relationship. Because it ends by devouring the prey or a part of it. 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