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1	Harcourt Science: Food Webs Write On Grade 3
2	Learner Expectation Content Standard: 2.0 Interactions Between Living Things and Their Environment The student will investigate how living things interact with one another and with non-living elements of their environment. Learning Expectation: 2.3 Examine interrelationships among plants, animals, and their environment.
3	In this activity you will: Find that all communities contain more than one food chain. Discover that organisms in a food web can be eaten by other organisms. Write a paragraph describing how a food web works.
4	All ecosystems contain many food chains. Each food chain contains both predators and prey.
5	A predator is an animal that hunts another animal for food.
6	The animal that is hunted is called the prey.
7	Many animals can be referred to as both predators and prey.
8	Overlapping food chains are called food webs.
9	Click the following button to complete an activity which demonstrates how a food web works.
10	Writing Activity Write a paragraph describing how a food web works. Use the information you have learned in this lesson. Be sure to tell about animals that are both predators and prey.